Checkout 51 now offering Cash Back on Gas!! Great News! Checkout 51 now offers cash back on gas purchases in over 5000 locations across the US. All you have to do is purchase gas from one of the participating locations and submit your receipt just like you would with groceries. Super Easy! Don't already have the Checkout 51 App? Download it for free, HERE. *You’ll have 4 hours to redeem your View Post