The days of sneaking into Costco with someone else's card are coming to an end. The retailer is cracking down on sharing membership cards with a new policy in which all cards will be scanned at store ...

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.

Costco knows you’re using your friend’s membership card. To save you the embarrassment of telling you off when you’re in the checkout line, now Costco will try to catch membership moochers before they ...