TSA shares travel warning for Costco members originally appeared on Come Cruise With Me. Costco offers some value-packed travel perks for members of its popular warehouse club.

It's a rumor that crops up every year or so, based on social media accounts of how a Costco ID card helped bypass airport security. Here's the truth.

A popular food blog has recirculated a misleading tip about Costco membership cards being a valid form of identification. In response, the Transportation Security Administration is downplaying the direction and warning travelers that doing so could lead to delays and a travel headache.