Setting up a good home gym can be one of the most rewarding things you can do. No longer do you have to worry about driving to the gym, changing into your gym clothes, working out in a crowded gym only to change back into your street clothes and drive back home. No longer do you have to worry about when the gym is open. Your home gym is always open no matter what time of day you choose to workout. But what do you need for a good home gym? Of course it's possible to get a great workout…