
Costco Tops the Price List as Cheapest Major U.S. Grocery Store, Study Shows
A Consumer Reports–commissioned study finds Costco is the cheapest major U.S. grocery store, about 21.4% cheaper than Walmart, with BJ’s Wholesale Club close behind; Lidl and Aldi are cheaper than some peers, while Walmart ranks 7th among the chains surveyed. The savings come from Costco’s economies of scale and bulk-buying, with budget-friendly options like rotisserie chicken and under-$5 staples cited as examples of its value.


