Don’t Buy: Salty Snacks
As with bulk-buying cereal, you face the risk of your salty snacks going monotonous when you buy them in overly large packs. Smaller bags of brand-name potato chips, tortilla chips, and similar salty snacks are often on special offer in grocery stores, perhaps at a 50 percent discount. Stock up ahead of major sports events when snack manufacturing companies run some of their best promos.

Salty Snacks
Buy: Kirkland Signature Parmigiano Reggiano
Put down the “Parmesan” and pick up a container of this real Parmigiano Reggiano, directly from Kirkland Signature, Costco’s house brand. From asparagus to mashed potatoes, it is all flawless.

Kirkland Signature Parmigiano Reggiano