Checkmate is a savings app with over one million users that have saved $$$ on brands like Costco.
The Checkmate extension automatically applies Costco discount codes, Costco coupons and more to give you discounts on products like Jackson's Sweet Potato Chips in Avocado Oil, Sea Salt.
Checkmate users have also been loving these products from Costco.
Users have been saving products like this to their collections.