Best: Nuts
Luckily for Costco shoppers, the warehouse store has pretty much any kind of nuts you can possibly want. All of them also come in gigantic packages. However, whoever knows a little bit about nuts knows how expensive they can be. At Costco, they’re reasonably priced and come in resealable packages to keep them fresh.

Best Nuts
Worst: Kirkland Signature Paper Towels
Just like buying a pack of 30 toilet paper rolls, you’d think buying paper towels in bulk is a good idea. In some ways, it is. But if someone is buying a pack of 30 Kirkland Signature Paper Towels, that might not be a good idea. According to a study done, Kirkland was third out of the four brands tested. In addition, in a Consumer Reports study of the top five paper towel brands, Kirkland was dead last. Their paper towels are too thin to clean up tougher messes.

Worst Kirkland Signature Paper Towels