Checkmate is a savings app with over one million users that have saved $$$ on brands like Walmart.
The Checkmate extension automatically applies Walmart discount codes, Walmart coupons and more to give you discounts on products like Shell Rotella T6 5W-40 Diesel Engine Oil, 1 Gallon.
Checkmate users have also been loving these products from Walmart.
Users have been saving products like this to their collections.