Checkout 51, a cash back app offered by New York-based News America Marketing, will now offer cash back on gas across 42 states. Checkout 51 is a free mobile app, available in both the Apple App Store and Google Play Store, that enables consumers to save money on everyday shopping necessities, such as groceries - [...]The post Checkout 51 App Launches Cash Back On Gas In 42 States appeared first on Shelby Report.