I denied myself of Costco for many years, thinking I just didn't need to go there. It can't be that great, I thought in ignorance. Oh man, what had I been missing! Costco is incredible! If you don't have a membership yet, snag one now and get a $20 Costco cash card to spend on anything in the store, including some of my family favorite things. We're talking yummy, quality foods that I now can't live without! Make sure to comment at the bottom what your favorite Costco items are! The Top 20 Best Things To Buy at Costco 1. Pretzel rolls: