5 easy ways to save money using your smartphone

A high-end smart phone is expensive. It might be one of the top five most expensive things you own. Unlike your car, though, which you have to constantly feed and repair, your phone is capable of pitching in. No, it's not going to get out of bed in the morning and haul itself off to a job it hates, the way you do. It's a smart phone. But you can eke a little money out of it, if you know what you're doing. Here are six strategies for harnessing all that smart power in your pocket to...