Question: Do Bed Bath & Beyond coupons expire?
Officially, yes, but in reality, no. Every Bed Bath & Beyond coupon has an expiration date printed on it. But in my vast experience (and that of my friends) shopping at Bed Bath & Beyond, cashiers ignore the expiration date. Also, a Bed Bath & Beyond employee who noted I was holding a coupon once made a point of telling me, "Those coupons never expire," as he walked by.
So, it appears the coupons have expiration dates to encourage shoppers to visit Bed Bath & Beyond early and often, and the expiration date gives Bed Bath & Beyond the right to deny coupons presented after the date. So, if you've got a stack of expired Bed Bath & Beyond coupons sitting around, there's no reason to discard them.