STUART — Grocery stores often raise their prices in the wake of a Costco store splashing down nearby, studies show. It might seem counterintuitive to the supply-and-demand principle. Wouldn't Costco's ...

Treasure Coast's first Costco Wholesale store opens April 25 in Stuart. A paid membership is required to shop there. The famous hot dog-and-soda combo will still be $1.50. This story has been updated ...

Small grocery stores typically can't compete on price against a Costco store. Costco stores result in grocery prices increasing 2.7% in the long run, one study found. Edith's Farmers Market is ...