You definitely don't. My home barbell area is 6x8 feet, and could be less, but that's the space I need to train in so I leave it set up. Like pyoung said, you w

You definitely don't. My home barbell area is 6x8 feet, and could be less, but that's the space I need to train in so I leave it set up. Like pyoung said, you want to make it easy to want to exercise; I do it at home because it's just more convenient and takes less time. For others I'm sure a gym makes more sense.