Costco now requires members to scan their membership card or QR code to enter its warehouses, in another bid to limit shopping to paying members, but the rollout of scanning devices may take months.

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 is changing the way its members can enter its stores. There will be no more quick flashes of the card to show an awaiting employee. The retailer will be rolling out card scanners to check that ...

If you've managed to shop at Costco as a nonmember over the years, your luck is running out. The members-only wholesaler will scan customer's membership cards upon entrance. In doing so, people who've ...

Like streaming services, Costco is cracking down on membership sharing. The warehouse club confirmed in January it had begun testing scanning membership cards at the entrances of some locations, ...