Checkmate is a savings app with over one million users that have saved $$$ on brands like eBay.
The Checkmate extension automatically applies eBay discount codes, eBay coupons and more to give you discounts on products like Buy 1 Get 1 Free 2023 Topps Update Eury Perez RC Rookie #139 Miami Marlins.
Checkmate users have also been loving these products from eBay.
Users have been saving products like this to their collections.