Cash Back, Promo Codes, and Millions of Deals Earn cash back, get working promo codes, and browse millions of deals with FatCoupon. FatCoupon.com, FatCoupon for iOS, and FatCoupon for Google Chrome. We're the ultimate shopping buddy. FatCoupon has 14092 cashback stores and has an average rating of 4.4 out of 10 based on 16 reviews. 3827 out of 14092 stores (about 27%) have the highest cashback rates in the market.