
Flea Market and Secondhand Vendor Bookkeeping: When Your Weekend Booth Becomes a Real Business
Flea market and secondhand vendors owe Schedule C income tax plus 15.3% self-employment tax once net earnings pass $400, and most states require a seller's permit or transient vendor license for regular booth sales. This guide covers the Section 183 hobby-vs-business test, per-item cost-basis records that survive an audit, the state sales tax permit patchwork, and the 2026 thresholds for Form 1099-K ($20,000 and 200 transactions) and Form 1099-NEC ($2,000).










