For unique physical cards, use quantity 1 so each card has its own barcode/SKU.
Recommended columns: SKU, Card Name, Set, Card Number, Condition, Show Price, Quantity. The importer also accepts common variations such as CardName, Price, and Qty.
Sign in to your private POS workspace. After you sign in online once, the app can reopen in offline mode on this device using its saved local data. Cloud synchronization requires a configured Supabase project.
Security note: configure the database policies in supabase/schema.sql before using real inventory. Never place a Supabase service-role key here.