Tracked by Evreward since 2011, Shop WSS offers coupons, cash back rebates and rewards, with savings as high as 75% off. Shop WSS discount coupons are somehwat rare, available a few times each year, and can be less valuable than similar merchants. Even when Shop WSS doesn't have a coupon, you can always get up to 15% cash back, and other great rewards, with every purchase.