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.

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.

The family-favorite retailer is changing the way it verifies membership. Have you been using a friend’s Costco membership card to get two-liter jugs of olive oil, pallets of toilet paper, or ...

While shopping at Costco is usually painless, there are some ways to make your shopping experience even more enjoyable. Since ...