We use our Cashback Bonus Discover card eveywher we go.  The reason is so simple.  We get cash back!  Every four months they also add five percent more for certain things.   They have five percent cash back on travel for instance in the beginning of the year.  That's always great for us because that is when we like to plan our trips for the year.  Another great feature on this card is instead of getting cash back you can receive a gift card and use say fifty dollars of your cash back and Discover will add another five or so dollars so you get more value for your cash.  I usually will get...