Best: Nuts
Costco shoppers would be glad to hear that the warehouse store offers a lot of nuts. On top of that, you can get them in huge packages. However, anyone who likes nuts will know that they can get very pricey. On top of that, they are kept in resealable packages that will do wonders for their freshness.

Best Nuts
Worst: Kirkland Signature Paper Towels
You might think that it is a good idea to buy paper towels in huge amounts. To a certain extent, this is true. However, it might not be a good idea to get the 30-pack of Kirkland Signature Paper Towels. A study showed that Kirkland came out third among four brands. On top of that, a study by Consumer Reports showed that the Kirkland brand was dead last when they ranked five brands of paper towels. They are just too thin to be of much use when it comes to tough messes.

Worst Kirkland Signature Paper Towels