Costco shoppers say these items basically make a membership pay for itself. We did the math. - Business Insider

Costco shoppers believe certain items make a membership worthwhile, according to Business Insider. The article includes calculations to support this claim. Additionally, over 47% of Costco members utilize a smart savings hack, as reported by Yahoo Finance. Other sources mention that Costco membership is only beneficial if a specific amount is spent on groceries.