All of us have a bunch of stuff hanging around our homes that we don't want, don't need, or don't use. Why not streamline your life by getting rid of some of that junkç Freecycle, a national online trading post with a board here in Miami, is the perfect way to turn your trash into someone else's treasure. Here's how it works: You register on the Website and then offer your stuff in a posting. If someone wants it, you arrange a (safe) meeting time and place to make the exchange. Best of all, it's free.