Know before you buy.
Instant sell-through rates for resellers. Check demand, pricing, and velocity on any item in seconds — so you only source what actually sells.
5 free searches per day. No credit card required.
How it works
Search any item
Type a brand, product, or category. We search across active and sold listings.
Get your verdict
See sell-through rate, price ranges, and a clear BUY / RISKY / PASS recommendation.
Source with confidence
Stop guessing. Know what sells before you spend a dollar.
Built for resellers, by resellers
Whether you flip thrift finds, run a Poshmark closet, or do retail arbitrage — SellChecker helps you make smarter sourcing decisions.
Thrift Flippers
Check brands on the spot while you shop
Poshmark Sellers
Know what your closet should stock
eBay PowerSellers
Scale with data-driven sourcing
Retail Arbitrage
Scan clearance with confidence
Simple pricing
Start free. Upgrade when you need more.
Free
- ✓ 5 searches per day
- ✓ Sell-through rate + verdict
- ✓ Price range data
- ✓ eBay marketplace data
Pro
- ✓ Unlimited searches
- ✓ Search history dashboard
- ✓ Watchlist with alerts
- ✓ Brand hot list (weekly)
- ✓ Profit calculator
- ✓ Barcode scanner
Stop guessing. Start checking.
Join thousands of resellers who source smarter with SellChecker.