Free government auction tools
Simple, free tools for buyers and resellers at government surplus auctions. No account needed. Know your true cost and your profit before you bid.
Flip Profit Calculator
Work out the real profit on a lot: bid plus buyer's premium, transport, and repairs against your expected resale. Get net profit, margin, and ROI.
Buyer's Premium Calculator
See what you actually pay. Add the buyer's premium and sales tax to your bid for the true all-in cost before you commit.
What Did It Sell For?
Look up real sold prices by category and state, so you know what a lot is worth before you bid.
Find your next flip first
BidProwl aggregates 30+ government auction sources in one search. Pro adds instant alerts, live bids, and a Flip Score with resale-margin estimates on every lot.