In order to shop at Costco, you have to become a Costco member. You must be at least 16 years old to qualify for membership. There are three different membership tiers available at Costco: Gold Star, ...

Getting a Costco membership for the first time and visiting a warehouse is a rite of passage—you quickly realize that yes, this is a shopping trip, but on another level. Seasoned members learn the ...

A number of Costco customers are reporting that their gift cards have been mysteriously drained of all their funds. The ...

Costco is enforcing a more limiting sample policy, and some club members aren't thrilled that it's getting between them and ...

A viral rumor has sparked confusion about whether a Costco membership card can serve as a valid ID for air travel. The TSA ...