Tracked by Evreward since 2007, Sterling Vineyards offers coupons, cash back rebates and rewards, with savings as high as 30% off. Sterling Vineyards discount coupons are infrequent, only available a couple times per year, but are often more valuable than similar merchants. Even when Sterling Vineyards doesn't have a coupon, you can always get up to 10% cash back, and other great rewards, with every purchase.