Costco can look up your purchases based on your membership ID number and issue a refund based ... are in perfectly acceptable ...

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 recently started asking for shoppers’ membership cards along with a photo ID at the self-checkout ... It’s the latest example of Costco and other companies like Netflix cracking down ...