Everything you need to run your card business

Card Margin gives collectors, dealers, and consignment shops professional-grade tools to manage inventory, track profit, and run smarter.

Core inventory

Multi-Type Inventory — graded cards, raw cards, sealed boxes, memorabilia, supplies
PSA Cert Tracking — save cert numbers and jump to PSA's cert page for verification
Bucket Workflows — On Hand, At PSA / BGS / SGC / CGC, Listed, Consigned, Vault, Sold, Archived
Photo Uploads — attach a front photo to every card; visible in inventory and detail views

True Cost Basis — purchase price + tax + shipping + grading fees in one number
Profit & Loss Tracking — net payout and ROI per sale; total invested vs. total sales at a glance
Consignment & Payouts — automatic fee splits and per-consignor payout records
Tax & P&L Reports — printable year-end summary (Pro Dealer)

Bulk CSV Import — onboard hundreds of items at once with preview before save (Pro Dealer)
eBay Sold-Comps Links — one-click research into eBay, 130point, and other comps tools
Card Show P&L Tracker — per-day sales, COG, and expense accounting for live events
Grading Tier Pricing — PSA, BGS, CGC service tiers side by side
Card Show Calendar — upcoming shows across the Northeast
Supplies Store — top loaders, sleeves, slab cases, and more without leaving the platform