Many people believe the only way to get in shape is by putting a lot of money into trendy fitness centers, or spending hard-earned cash on a variety of workout videotapes. In the end, these methods seldom provide the results we're all looking for. But don't get me wrong--I am not demeaning gyms or workout tapes; in fact, I still enjoy the benefits of a gym to keep fit. Weight-lifting rooms and other facilities can be extremely beneficial. However,...