In general, I’m a thrifty gal. I love saving money and sharing those bargain finds with you. But today, I want to shift gears a bit. Instead of bargain fashion finds, I’m going to tell you about one of the fashion areas where I don’t cut corners: winter coats. Specifically, how to choose a winter coat where form fits function. You want a piece that is beautiful, will serve you season after season—and most importantly—will keep you warm!…