Costco relies on its loyal fanbase of shoppers to keep sales high, but what happens when beloved (and some not-so-beloved) items disappear from shelves?

Costco has a pretty lenient return policy for its items, and some people take advantage of that. These are the Costco food items customers return the most.

Here are the best under-the-radar Costco items to add to your shopping list, according to our contributors, social media users, and enthusiastic reviewers.