Bed Bath & Beyond’s iconic 20% coupon is back, but there are a few caveats as it is not as universal as it was in the past.  The coupons, synonymous with the retailer, once filled mailboxes (and glove compartments) but vanished after the debt-laden retailer shut down its stores in 2023. Today, it’s making a comeback under the brand’s new banner: Bed Bath & Beyond Home.In a customer email sent on Aug. 11, the company touted that the coupon is back but can only be used once, and cannot be combined with other ...