For 40 years, Costco, which has a warehouse in Wilmington, has had its inflation-defying $1.50 hot dog deal. And it's more ...

Never been to a Costco? If you're gearing up for your first visit, here are some Costco secrets that serious shoppers are ...

If you could swear your favorite Costco finds were in different aisles last week, here's the real reason why Costco always moves products around the store.