Best Sports Card Marketplaces 2026

Table of Contents

• Online Marketplace Landscape 2026
• eBay: The Industry Standard
• COMC: The Inventory Giant
• Whatnot: Live Breaking Revolution
• Alt.Market: Authentication First
• StarStock: Mobile-First Marketplace
• MySlabs: Graded Card Specialist
• Goldin: Premium Auctions
• Heritage Auctions: Vintage and High-End
• PWCC: Consignment Powerhouse
• Marketplace Comparison Table
• Which Platform Is Best For You?
• Authentication and Trust Factors
• Fee Structures Breakdown
• Tips for Safe Buying Online
• Frequently Asked Questions
• Conclusion: Choosing Your Platform

Online Marketplace Landscape 2026

The sports card marketplace ecosystem has evolved dramatically since 2020, with platforms specializing in different niches. Traditional auction sites (eBay) compete with authentication-focused marketplaces (Alt.Market), live-streaming platforms (Whatnot), mobile apps (StarStock), and premium auction houses (Goldin, Heritage).

In 2026, collectors have more options than ever, but each platform has distinct advantages, fee structures, and ideal use cases. Understanding these differences helps you buy smarter, save money, and avoid counterfeit cards.

Key Takeaways:

• eBay remains the largest marketplace with 10+ million sports card listings, offering best selection but variable seller quality and 13.25% final value fees.
• COMC provides the deepest single inventory (2+ million cards) with combined shipping advantages, ideal for set builders buying 10-100+ cards at once.
• Whatnot dominates live breaking with real-time interaction and gambling-like entertainment, but buyer protection is weaker than traditional platforms.
• Alt.Market prioritizes authentication with blockchain verification and mandatory PSA/BGS checks for high-value cards, reducing counterfeit risk.
• Fee structures vary wildly: eBay (13.25% seller fee), COMC (20% commission + $1.50/card), Whatnot (8% + payment processing), Alt.Market (10%), making platform choice impact total cost by 20-50%.

eBay: The Industry Standard

Overview

eBay remains the largest sports card marketplace in 2026, with over 10 million active listings and billions in annual transaction volume. Despite competition from specialized platforms, eBay’s massive user base, established trust systems, and comprehensive search functionality maintain its dominance.

Pros

1. Unmatched Selection

• 10+ million listings across all sports, eras, and price points
• Obscure cards and complete sets readily available
• Global seller base creates competitive pricing

2. Established Trust Systems

• Seller ratings and feedback (20+ years of data)
• eBay Money Back Guarantee protects buyers
• Dispute resolution and return policies

3. Flexible Buying Options

• Auctions (competitive bidding, potential bargains)
• Buy It Now (instant purchase)
• Best Offer (negotiation)
• Saved searches with price alerts

4. Authentication Program

• Cards $250+ automatically authenticated by third parties
• Reduces counterfeit risk for high-value purchases
• Adds confidence for six-figure transactions

Cons

1. High Seller Fees

• 13.25% final value fee (up to $7,500)
• 2.5% promoted listing fees (if used)
• PayPal/payment processing (2.9% + $0.30)
• Total cost: 16-18% for sellers, passed to buyers via higher prices

2. Variable Seller Quality

• Scammers and counterfeiters present (though declining)
• Requires due diligence on seller ratings
• Occasional bait-and-switch or misrepresented condition

3. Search Functionality Issues

• Cluttered results with unrelated items
• Difficult to filter precisely
• Misspellings and incorrect categories

4. Price Inflation

• Seller fees increase prices 10-15% above true market
• Auction sniping creates bidding wars
• Last-minute bidding inflates final prices

Best For

• Buyers seeking specific obscure cards
• Collectors who want auction or Best Offer flexibility
• International buyers (global shipping)
• Set builders needing single cards

Fee Structure

Buyers:

• Free to buy (no buyer fees)
• Shipping varies by seller

Sellers:

• 13.25% final value fee (up to $7,500 sale price)
• Insertion fees for listings (typically $0.30-0.50)
• Payment processing (~2.9%)

Pro Tips

• Use saved searches with email alerts
• Filter by “sold listings” to see true market value
• Check seller feedback and return policies
• Buy from sellers with 99%+ positive feedback and 100+ transactions
• Use eBay authentication for cards $250+

COMC: The Inventory Giant

Overview

CheckOutMyCards (COMC) is a unique marketplace where cards are consigned to COMC, professionally photographed, stored in their facility, and sold through their website. With 2+ million cards in inventory, COMC offers the deepest single-source selection with combined shipping advantages.

Pros

1. Combined Shipping

• Buy 100 cards, pay one shipping fee ($4-6)
• Massive savings for set builders
• Cards stored in COMC facility until you’re ready to ship

2. Professional Imaging

• Consistent high-quality scans
• Front and back images for all cards
• Zoom functionality for condition assessment

3. Advanced Filtering

• Precise search by player, year, set, parallel, auto, etc.
• Save custom filters
• Price history charts for market trends

4. Grading Submission Services

• Submit to PSA/BGS directly from COMC
• Batch submission discounts
• Cards never leave COMC facility (reduced risk)

Cons

1. Higher Effective Prices

• 20% seller commission + $1.50/card processing fee
• Sellers price higher to recoup fees
• Typically 10-20% above eBay equivalent prices

2. Shipping Delays

• Standard shipping (7-14 days)
• Not ideal for time-sensitive purchases
• Can request early shipment for fee

3. Limited Negotiation

• Most listings fixed-price
• “Make Offer” available but rarely accepted
• Less flexible than eBay Best Offer

4. U.S.-Focused

• International shipping expensive
• Primarily U.S. seller base

Best For

• Set builders buying 10-100+ cards
• Collectors who want professional scans
• Bulk buyers who value combined shipping
• Grading submissions (batch convenience)

Fee Structure

Buyers:

• Purchase price (no buyer fee)
• Shipping: $4-6 for any quantity

Sellers:

• 20% commission on sales
• $1.50 processing fee per card
• Monthly storage fees for unsold inventory ($0.01-0.05/card)

Pro Tips

• Add cards to cart over weeks, ship monthly
• Use “sort by recently added” to find fresh inventory
• Check “price history” before buying
• Combine COMC purchases with grading submissions
• Request “ship to PSA” to avoid double-shipping

Whatnot: Live Breaking Revolution

Overview

Whatnot transformed sports card commerce by bringing live video streaming, real-time interaction, and gamified purchasing to collectors. Hosts (“sellers”) break boxes live, auction cards, and engage viewers in an entertainment-first format that combines collecting with the thrill of gambling.

Pros

1. Entertainment Value

• Live interaction with hosts and community
• Real-time breaks and reveals
• Gamification and excitement

2. Accessible Pricing

• Team breaks divide expensive boxes ($50-100 per team)
• Randomized breaks create lottery-like affordability
• Occasional “snipes” (steals) in live auctions

3. Community Building

• Regular hosts create loyalty
• Chat interaction with other collectors
• Exclusive host promotions and giveaways

4. Mobile-First Experience

• Seamless smartphone app
• Push notifications for favorite hosts
• Easy in-app purchases

Cons

1. Gambling Dynamics

• Addictive “one more break” mentality
• Easy to overspend in excitement
• Variable value (often negative expected return)

2. Limited Buyer Protection

• Returns difficult once shipped
• Authentication responsibility on host
• Disputes harder to resolve than eBay/COMC

3. Quality Variance

• Host credibility varies widely
• Some hosts overgrade or misrepresent
• “Too good to be true” deals often are

4. Hidden Costs

• Shipping charged per break (adds up fast)
• Sales tax charged
• Impulse buying leads to overspending

Best For

• Collectors who enjoy social aspects
• Buyers seeking entertainment + collecting
• Team break participants (affordable box access)
• Mobile-first users

Fee Structure

Buyers:

• Purchase price
• 8% Whatnot fee (included in price)
• Payment processing fee
• Shipping per break

Sellers (Hosts):

• 8% commission on sales
• Payment processing (~3%)

Pro Tips

• Vet hosts (check reviews, established accounts)
• Set daily/weekly spending limits before joining
• Calculate per-card cost before team breaks
• Avoid “random team” breaks (pure gambling)
• Watch hosts dry (non-participating) before buying

Alt.Market: Authentication First

Overview

Alt.Market launched in 2022 as an authentication-first marketplace using blockchain verification, third-party checks, and strict seller vetting to combat counterfeits and build buyer confidence. Every high-value card ($500+) undergoes mandatory authentication before listing.

Pros

1. Authentication Priority

• Mandatory PSA/BGS verification for $500+ cards
• Blockchain certificates for provenance
• Third-party authentication services integrated
• Lowest counterfeit risk of any marketplace

2. Clean Interface

• Modern, intuitive design
• High-quality images
• Mobile app and web platform

3. Transparent Pricing

• 10% buyer/seller fees (split or bundled)
• Clear fee structure (no hidden costs)
• Competitive with eBay after fee comparison

4. Smart Contracts

• Escrow built-in (payment held until delivery confirmed)
• Automated authentication checks
• Fraud protection through blockchain

Cons

1. Limited Selection

• Smaller inventory than eBay/COMC
• Focused on higher-end cards ($100+)
• Limited vintage and commons

2. Newer Platform

• Less established (2022 launch)
• Smaller user base = less liquidity
• Longer time to sell (seller perspective)

3. Authentication Delays

• Mandatory authentication adds 5-10 days
• Not ideal for quick purchases
• Extra step for sellers

4. Tech Barriers

• Blockchain/authentication concepts confuse some users
• Learning curve for traditional collectors

Best For

• High-value purchases ($500-$50,000+)
• Buyers prioritizing authentication
• Modern collectors comfortable with tech
• Investment-grade cards

Fee Structure

Buyers:

• 10% total fee (can be split with seller or bundled)
• Purchase price + fees transparent upfront
• Shipping varies by seller

Sellers:

• 10% commission (if buyer doesn’t pay fees)
• Authentication costs (passed to buyer or absorbed)

Pro Tips

• Use for purchases $500+ where authentication matters
• Verify blockchain certificates via app
• Check seller authentication history
• Compare pricing vs eBay (factor in authentication value)

StarStock: Mobile-First Marketplace

Overview

StarStock reimagines sports card commerce as a mobile-first, Instagram-like marketplace where sellers create visual listings and buyers browse, like, and purchase with smartphone simplicity. Launched in 2021, StarStock targets younger collectors who prioritize mobile ease over desktop complexity.

Pros

1. Mobile-Optimized

• Best smartphone buying experience
• Instagram-like interface (familiar UX)
• Swipe, tap, buy simplicity
• Push notifications for saved searches

2. Visual Discovery

• Image-first browsing
• Discover cards visually vs text search
• Curated feeds and trending cards

3. Fast Transactions

• One-click purchasing
• Stored payment methods
• Quick seller responses

4. Lower Fees

• 9% seller fee (competitive)
• No buyer fees
• Transparent pricing

Cons

1. Limited Desktop Experience

• Mobile-only focus
• Difficult for serious research on desktop
• Limited bulk purchasing tools

2. Smaller Inventory

• Newer platform = less selection
• Primarily modern cards ($10-$5,000 range)
• Limited vintage and high-end

3. Authentication Gaps

• No mandatory authentication
• Relies on seller honesty
• Higher counterfeit risk than Alt.Market

4. Search Limitations

• Visual-first = harder to find specific cards
• Limited advanced filtering
• Browse-heavy, search-light

Best For

• Mobile-first younger collectors
• Casual browsers
• Modern card buyers ($50-$500 range)
• Visual discovery shopping

Fee Structure

Buyers:

• Purchase price (no buyer fees)
• Shipping varies by seller

Sellers:

• 9% commission
• Payment processing included

Pro Tips

• Use for modern cards under $500
• Check seller profiles and ratings
• Enable push notifications for saved searches
• Request additional photos before buying

MySlabs: Graded Card Specialist

Overview

MySlabs specializes exclusively in graded (PSA/BGS/SGC) cards, offering a curated marketplace where authentication is guaranteed via slab verification. Launched in 2020, MySlabs targets investors and collectors who only buy graded cards.

Pros

1. Graded-Only Focus

• Every card professionally graded
• PSA/BGS/SGC verification
• Authentication guaranteed via slabs

2. Population Data Integration

• PSA population reports embedded
• Rarity metrics displayed
• Historical sales data

3. Investor-Friendly

• Portfolio tracking tools
• Value appreciation charts
• Investment analytics

4. Clean Marketplace

• No raw cards clutter
• Standardized condition (grades)
• Easy comparison shopping

Cons

1. Limited to Graded Cards

• No raw cards (miss potential bargains)
• Grading costs passed to buyers
• Higher average prices

2. Smaller Platform

• Limited inventory vs eBay
• Niche audience
• Longer selling times

3. Tech-Heavy

• Overwhelming data for casual collectors
• Investment focus alienates hobbyists

Best For

• Investors buying graded cards only
• Registry set builders
• High-grade collectors (PSA 9-10 focus)
• Data-driven buyers

Fee Structure

Buyers:

• Purchase price
• Shipping

Sellers:

• 10-12% commission
• Payment processing

Pro Tips

• Cross-reference PSA/BGS population reports
• Use portfolio tracking for investment cards
• Compare pricing against eBay sold listings
• Filter by grade (e.g., PSA 9+ only)

Goldin: Premium Auctions

Overview

Goldin Auctions is the premier auction house for high-end sports cards, specializing in six and seven-figure sales. With white-glove service, aggressive marketing, and record-breaking sales, Goldin targets the 1% of the market (cards $10,000+).

Pros

1. Record Prices

• Highest realized values for trophy cards
• Aggressive marketing drives bidding wars
• Prestigious platform attracts wealthy buyers

2. Expert Curation

• Authentication included
• Condition certification
• Professional photography

3. White-Glove Service

• Consignment assistance
• Free evaluations
• Shipping and insurance handled

4. Media Attention

• Record sales generate press
• Celebrity consignments
• Market-moving visibility

Cons

1. High Barriers to Entry

• Minimum consignment values ($5,000-$10,000+)
• Not for average collectors
• Sellers must qualify

2. Expensive Fees

• 20-30% buyer’s premium
• 10-20% seller’s commission
• Total: 30-40% fee load

3. Long Auction Cycles

• Quarterly auctions
• 60-90 days from consignment to payout
• Not suitable for quick sales

4. Exclusivity

• Elite platform, not mass market
• Intimidating for average collectors

Best For

• Trophy card sellers ($10,000+)
• Record-chasing buyers
• Investment-grade cards
• Vintage high-grade (PSA 9-10)

Fee Structure

Buyers:

• Hammer price + 20-30% buyer’s premium
• Shipping and insurance

Sellers:

• 10-20% seller’s commission (sliding scale)
• Insurance and photography included

Pro Tips

• Only consign truly elite cards
• Compare Goldin vs Heritage vs PWCC for big cards
• Set reserves to protect minimum prices
• Expect 90+ day cycles

Heritage Auctions: Vintage and High-End

Overview

Heritage Auctions competes with Goldin for high-end sports cards while also offering vintage cards, memorabilia, coins, and collectibles. With 50+ years in the auction business, Heritage brings established credibility and deep buyer pools.

Pros

1. Established Reputation

• 50+ year track record
• Trusted brand
• Insurance and authentication infrastructure

2. Vintage Expertise

• Pre-war tobacco cards
• Vintage sets (1950s-1970s)
• Graded vintage specialists

3. Cross-Collecting Audience

• Coin and memorabilia buyers also bid on cards
• Broader wealth base
• High bidding competition

4. Comprehensive Services

• Free evaluations
• Consignment assistance
• Global marketing

Cons

1. High Fees

• 20-25% buyer’s premium
• 10-15% seller’s commission
• Similar to Goldin (30-35% total load)

2. Quarterly Auctions

• Long wait times
• Not suitable for quick needs

3. Minimum Consignment Values

• Typically $3,000-$5,000 minimum
• Not mass market

Best For

• Vintage card sellers (pre-1980)
• High-grade PSA 8-10 vintage
• Pre-war tobacco cards
• Six-figure cards

Fee Structure

Buyers:

• Hammer price + 20-25% buyer’s premium

Sellers:

• 10-15% commission (sliding scale)

Pro Tips

• Best for vintage (pre-1980)
• Compare with Goldin for modern high-end
• Use for PSA 8+ vintage rookies

PWCC: Consignment Powerhouse

Overview

PWCC (Professional Watchers Community Coins) evolved from grading company partnerships into a major consignment marketplace, now operating PWCC Marketplace with monthly auctions and direct sales. PWCC specializes in PSA-graded cards and aggressive marketing.

Pros

1. Monthly Premier Auctions

• More frequent than Goldin/Heritage (monthly vs quarterly)
• Faster liquidity for sellers
• Regular buying opportunities

2. Direct Marketplace

• Buy It Now option alongside auctions
• Fixed-price listings for immediate purchase
• Flexible buying options

3. PSA Partnership History

• Deep PSA expertise
• Population report integration
• Registry set focus

4. Competitive Fees

• 10-15% seller commission (lower than Goldin)
• 15-20% buyer’s premium (lower than Heritage)

Cons

1. Reputation Challenges

• Past controversies (shilling allegations)
• Lost eBay partnership (2021)
• Trust issues for some collectors

2. Focus on Graded

• PSA-heavy (less BGS/SGC)
• No raw cards

3. Lower Average Prices Than Goldin

• Same card sells for 5-15% less vs Goldin
• Less prestige and media attention

Best For

• Graded card sellers ($1,000-$50,000)
• Buyers seeking monthly auction cycles
• PSA registry set builders
• Moderate high-end (not ultra-premium)

Fee Structure

Buyers:

• Hammer price + 15-20% buyer’s premium

Sellers:

• 10-15% commission

Pro Tips

• Good middle ground between eBay and Goldin
• Use for cards $1,000-$50,000
• Compare final prices vs Goldin/Heritage
• Monitor controversies and platform changes

Marketplace Comparison Table

Platform	Best For	Selection	Fees (Buyer)	Fees (Seller)	Authentication
eBay	General, all price points	★★★★★	Free	13.25% + processing	$250+ mandatory
COMC	Set builders, bulk buyers	★★★★☆	$4-6 shipping	20% + $1.50/card	Seller dependent
Whatnot	Live entertainment, breaks	★★★☆☆	8% (included)	8%	Host dependent
Alt.Market	High-value, authentication	★★☆☆☆	10% total	10% total	Mandatory $500+
StarStock	Mobile, modern cards	★★☆☆☆	Free	9%	Seller dependent
MySlabs	Graded cards only	★★☆☆☆	Free	10-12%	Guaranteed (slabs)
Goldin	Ultra-premium $10K+	★★☆☆☆	20-30%	10-20%	Included
Heritage	Vintage, high-end	★★★☆☆	20-25%	10-15%	Included
PWCC	Monthly auctions, PSA	★★★☆☆	15-20%	10-15%	Included

Which Platform Is Best For You?

Budget Collector ($0-$500/month)

Primary: eBay (selection, auctions, Best Offer) Secondary: COMC (set building), StarStock (mobile ease) Avoid: Goldin, Heritage (too expensive)

Serious Collector ($500-$2,000/month)

Primary: eBay (flexibility), COMC (bulk purchases) Secondary: Alt.Market (authentication for $500+ cards) Consider: Whatnot (team breaks for expensive boxes)

Investor ($2,000+/month)

Primary: Alt.Market (authentication), MySlabs (graded focus) Secondary: PWCC (monthly auctions), Goldin (trophy cards) Use eBay for: Liquidity and price discovery

Set Builder

Primary: COMC (combined shipping, deep inventory) Secondary: eBay (obscure singles) Avoid: Whatnot (not suited for specific card hunting)

Team Collector

Primary: eBay (largest team-specific inventory) Secondary: Whatnot (team breaks)

Vintage Collector (Pre-1980)

Primary: eBay (selection) Secondary: Heritage (high-end auctions) Consider: PWCC (monthly PSA vintage auctions)

Authentication and Trust Factors

Platform Authentication Rankings (Most Secure → Least Secure)

1. Alt.Market (mandatory for $500+, blockchain tracking)
2. Goldin/Heritage/PWCC (included in auction services)
3. MySlabs (graded cards only, slab verification)
4. eBay (mandatory $250+, optional below)
5. COMC (seller dependent, no mandatory checks)
6. StarStock (seller dependent, limited vetting)
7. Whatnot (host dependent, variable quality)

Red Flags Across All Platforms

• Prices 30%+ below market (too good to be true)
• Sellers with <50 transactions or <98% feedback
• Stock photos instead of actual card images
• Vague condition descriptions
• No return policy
• Pressure to transact off-platform

Fee Structures Breakdown

Total Cost to Buyer (Including All Fees)

Example: $1,000 Card

Platform	Base Price	Buyer Fee	Shipping	Total Cost	% Markup
eBay	$1,000	$0	$5-10	$1,005-1,010	+0.5-1%
Alt.Market	$1,000	$100 (10%)	$10-15	$1,110-1,115	+11-12%
Goldin	$800 hammer	$200 (25% BP)	$20	$1,020	+2%
COMC	$1,100	$0	$5	$1,105	+10.5%
StarStock	$1,000	$0	$10	$1,010	+1%

Key Insight: eBay and StarStock have lowest total buyer costs, but sellers price higher to recoup fees. Alt.Market’s transparent fees make it competitive when factoring authentication value.

Tips for Safe Buying Online

Before Purchasing

1. Verify Seller Reputation

   • Check feedback (99%+, 100+ transactions)
   • Read negative reviews for patterns
   • Google seller name for complaints

2. Compare Prices

   • Check eBay sold listings
   • Cross-reference COMC, StarStock, Alt.Market
   • Ensure price within market range

3. Examine Images Closely

   • Zoom for centering, corners, edges
   • Check for print lines, scratches
   • Request additional photos if needed

4. Understand Return Policies

   • eBay: 30-day returns standard
   • COMC: Limited returns
   • Whatnot: Difficult returns
   • Alt.Market: Smart contract protections

After Purchase

1. Document Arrival

   • Photograph packaging
   • Video record opening for high-value cards
   • Inspect immediately upon arrival

2. Verify Authenticity

   • Check PSA/BGS cert numbers online
   • Use eBay authentication for $250+ cards
   • Compare to known authentic examples

3. Dispute Quickly

   • Report issues within 48-72 hours
   • Provide clear photo evidence
   • Use platform dispute resolution

Related Articles

Looking to expand your sports card knowledge? Check out these related guides:

• How to Spot Fake Sports Trading Cards: Expert Tips - Essential authentication guidance for all platforms
• Complete Guide to Grading Sports Trading Cards - Understanding PSA, BGS, and SGC grading
• Auction vs Direct Sale: Best Ways to Sell High-End Sports Cards - Choosing the right selling strategy
• How to Build Value in Your Sports Card Collection Over Time - Long-term collecting strategies
• 2025 Sports Card Market Correction and Buying Opportunities - Timing your marketplace purchases
• Beginner’s Guide to Starting Your Collection - Getting started with online marketplaces

Frequently Asked Questions

Which platform has the lowest fees?

For buyers, eBay and StarStock have no buyer fees (sellers pay). For sellers, Whatnot (8%) and StarStock (9%) have the lowest commissions, though eBay’s 13.25% is standard across most platforms.

Where should I buy high-value cards ($10,000+)?

Alt.Market (authentication focus), Goldin (record prices), or Heritage (vintage expertise) offer the best protection and market reach for five and six-figure cards.

Is Whatnot safe for buying cards?

Whatnot is safe if you vet hosts carefully (established accounts, positive reviews, transparent practices). However, buyer protection is weaker than eBay or COMC—returns are difficult once shipped.

Can I negotiate prices on these platforms?

eBay (Best Offer), COMC (Make Offer, rarely accepted), and some direct sellers on other platforms allow negotiation. Auctions and fixed-price marketplaces (Alt.Market, StarStock) typically don’t negotiate.

Which platform is best for selling my cards?

eBay (largest audience, fastest sales), Whatnot (if you want to host live breaks), or Goldin/Heritage (trophy cards $10K+). Avoid COMC for selling (20% + $1.50/card is expensive).

How do I avoid counterfeits?

Buy graded cards (PSA/BGS/SGC slabs), use platforms with mandatory authentication (Alt.Market, eBay $250+), check seller feedback, and verify cert numbers online.

What’s the best platform for beginners?

eBay offers the best combination of selection, buyer protection, and learning resources. Start with lower-value purchases ($10-100) to build experience before investing heavily.

Conclusion: Choosing Your Platform

No single platform is “best” for all collectors—the right marketplace depends on your budget, collecting goals, and risk tolerance. eBay remains the industry standard for selection and flexibility, while specialized platforms like Alt.Market, COMC, and Whatnot offer advantages in authentication, set building, and entertainment.

General Strategy:

• Browse and discover: eBay, StarStock
• Set building: COMC (combined shipping)
• High-value purchases: Alt.Market, Goldin, Heritage
• Entertainment and community: Whatnot
• Graded card investing: MySlabs, PWCC

Diversify across platforms to maximize value, minimize fees, and reduce risk. Use eBay for price discovery, Alt.Market for authentication, COMC for bulk purchases, and auction houses for trophy cards.

Ready to scan and value your sports card collection? Download the Hall of Cards app for iOS and Android. Get instant AI-powered appraisals based on real market data from all major platforms, track your collection’s value across marketplaces, and chat with Carty AI about where to buy and sell your cards for maximum value.