Costco Is Cracking Down on Membership Sharing - The New York Times

Costco is cracking down Netflix-style on shoppers sharing membership cards - even at self-checkout

Costco's Cracking Down on Membership Sharing - Parade

Here's how Costco is cracking down on membership sharing

Costco Is Cracking Down on Membership Card Sharing

Costco Is Taking Action Against Membership Sharing With a New Policy

Costco cracking down on membership sharing

Scanning against scammers: Costco testing membership card readers at store entrances – GeekWire

With Costco's Latest Policy Change, You May Not Make It Past the Door

Costco cracking down on card sharing with new system in US stores - Irish Star