NEW YORK -- Bad news if you're mooching off of someone else's Costco membership: The retail giant is cracking down. When you enter Costco, you need to show your membership card to an employee to shop.

Add Yahoo as a preferred source to see more of our stories on Google. Next time you head to Costco, make sure you have your plastic or digital membership card – and a matching ID. The members-only ...

Costco (NASDAQ:COST) is setting up membership scanning devices at the entrance of its stores to discourage non-members from shopping at its locations as the discount retailer cracks down on membership ...

Costco Wholesale confirmed that it has begun checking photo membership cards at self-checkout stations to crack down on non-members making purchases using improperly shared cards. Under Costco’s ...

Member of Costco are being told not to use their cards for one thing. Costco is a popular big-box membership warehouse club, offering discounted prices on brand-name merchandise in bulk and non-bulk ...

Costco is cracking down on shoppers who are using other people's membership cards. To step up enforcement, it is checking for photo IDs even when shoppers check out themselves. The membership-based ...

Costco offers both Gold Star and Executive memberships, each with varying benefits. The $1.50 hot dog and soda combo remains a staple at Costco food courts. Current membership deals include a $20 or ...

Next time you head to Costco, make sure you have your plastic or digital membership card – and a matching ID. The members-only warehouse retailer is really starting to crack down on non-members.