Happy Thursday to all of you Coupon Kar-maniacs! We’ve got some new Checkout 51 coupons available this morning. Checkout 51 is a mobile app available on iPhone and Android! The best part about these coupons is that you don’t even need to have them with you at the store. Instead, once you purchase the product, all you have to do is upload your receipt and the cash is deposited into your Checkout 51 account!