The Workshop
Seller Tools
Free utilities for traders and collectors — built by sellers, for sellers. No sign-up, nothing stored, everything in GBP.
Whatnot Profit Calculator
Work out your real net profit and margin on a Whatnot sale after the 8% selling fee, 2.9% + £0.30 processing, packaging and postage.
Open CalculatorMore Tools Incoming
Grading break-even, eBay vs Whatnot comparisons and more are on the bench. Want one built? Tell us.