3% Cash Back from AMEX - True Earnings® Card from Costco and American Express

[This post is written and copyrighted by FIRE Finance (http://firefinance.blogspot.com).]AMEX - True Earnings® Card from Costco and American Express is a great cash back card for everyone. With gas prices increasing every other day, this card lures us with a 3% cash back on gas purchases. Other attractive incentives include 3% cash back for restaurants, 2% cash back on travel and 1% cash back