I've had a Costco executive membership for nearly a decade. There are 10 purchases I swear by every time I shop.

Source: Business Insider

I've been shopping at Costco for my family for years using my executive membership. Blythe ChadimI've had a Costco executive membership for almost 10 years, and I love buying groceries there. Oikos Triple Zero Greek yogurt and Kirkland Signature hummus cups are great protein-packed snacks.