Checkout 51 is a popular online platform that offers customers cash back rewards on their purchases. The store operates by partnering with various retailers and brands, allowing shoppers to earn cash back on qualifying items. To take advantage of the deals, customers simply create an account with Checkout 51, add offers to their account before making a purchase, and then submit their receipt to receive the cash back rewards. The platform is continuously updated with new offers, providing plenty of opportunities for customers to save money on their everyday purchases. Checkout 51 also offers a mobile app, making it easy for shoppers to access deals on the go. Overall, Checkout 51 is an excellent resource for individuals looking to save money on their shopping expenses.