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

Costco Cracks Down on Shared Membership Cards. Wall Street Is Thrilled.

Costco Is Cracking Down on This Policy

Costco cracks down on non-members using membership cards

Costco is trying to crack down on nonmembers using its cards

Costco's Cracking Down on Membership Sharing - Parade

Costco is cracking down on rising membership card 'sharing

Costco tests new way to crack down on membership card sharing - CBS Boston

Breaking Costco's New Membership Rules Could Get You Banned From The Store

Costco is cracking down on shared membership cards

Costco membership crackdown: Clubs testing scanners to combat card sharing

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Costco is testing out a new system for entering stores