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

Costco Cracks Down on Membership Card Sharing

Here's how Costco is cracking down on membership sharing

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

Costco Wants You To Stop Sharing Your Membership Card

Costco cracking down on membership card sharing at self-checkout

Costco Canada switches to MasterCard from AmEx - The Globe and Mail

Passion for Costco stands the test of shaky economy. Will it last?

Costco is trying to crack down on nonmembers using its cards

Costco cracks down on access to food courts, $1.50 hot dog and soda

Costco cracks down on membership card sharing

Jokes on them,' Costco shopper says after revealing sneaky way he gets through the membership checks without own card

Costco implements new measures to crack down on membership sharing