Collector-first comping

Comp the buy. Track the sale. Keep the margin.

Scan cards, track buys, trades, sales, inventory, and know your margin from one dashboard.
Private inventoryCost, margin, labels, and counts stay scoped to your account.
Audit-only salesRecords method category only — Cash, Zelle, Venmo, or Other.
or email sign in
Best for mobile browser testing. No Google login or account setup needed.
Prototype auth stores a local demo session only. Production Google and email/password auth must be verified server-side.
UltraMargin
Local Demo · Private

Cart