10 Foods That Are Cheaper at Costco Than Other Grocery Stores — Including This Beloved Food Item Costco often has the lowest prices per unit on a variety of everyday kitchen staples — if you ...

The price of Costco's Kirkland-brand lemonade went up $0.10, from $6.29 in April to $6.39 in June for two 3-quart bottles. Kirkland-brand lemonade. Talia Lakritz/Business Insider ...