One has to love the awesome power of our economy. The US economy is great. Where else can you buy a car and a TV with little to no credit? But at the same time, in such an economy you get tricky offers. Take a look at this offer from Chase. Not bad, right? We're all coffee lovers and most people go to Starbucks. So getting a 10% money-back on your coffee is a deal, no? Right, all the way to a grand total of $3.00. Chase is...