I've found grocery store stickers usually stay up for a while! The people who round up the shopping carts don't care, and it's not their job to remove stickers. 

One of the first nostr:npub18kpw3akvdsyk239lx0jgwksr74sq4nlha3r8u9g2rnrhztfpfhysy469c4 stickers I put up in 2021 was in the parking lot of a grocery store, and it's still there!