Sneaky Credit Card Tricks - A Series

[This post is written and copyrighted by FIRE Finance (http://firefinance.blogspot.com).] Every year we earn a tidy amount to the tune of $3k - $5k in credit card sign-up bonuses, airlines' rewards miles, cash back rewards and special card promotions. It is a nice way to supplement our income. We feel enthusiastic about these deals since they help us to reach goals set for our annual charitable