Costco is known for its great prices, but that's only part of its appeal. Here's a closer look at why it's the most popular department store in the U.S.

Thanksgiving Day kicks off the deal season for a lot of retailers, and Costco is no different. Check out the online-only ...

A lot of people join Costco so they can fill up their cars on the cheap and save money on products like groceries and paper ...

Finally, perhaps the top reason to buy Costco stock like there's no tomorrow is the simple fact that many (if not most) ...