Tracked by Evreward since 2007, Doheny's offers coupons and cash back rebates, with savings as high as $20 off. Doheny's discount coupons are infrequent, only available a couple times per year, but are often more valuable than similar merchants. Even when Doheny's doesn't have a coupon, you can always get up to 10% cash back, and other great rewards, with every purchase.