Going to the gym can be expensive, and depending on how far away your gym is, it can be time consuming, too. If you're one for working out, consider the option of building your own, personal home gym. You'll have the convenience and comfort of exercising in your own home, which means you'll be more apt to work out, the equipment will always be clean, and you'll have the luxury of privacy. Image via www.muscleforlife.com Flooring - The flooring in your gym can be simple and cheap. Pictured on the right are interlocking high-density foam mat squares. This padded flooring is ideal for a home gym, and you can purchase the squares from places like Dick's Sporting Goods or even Gander Mountain. Image via www.pinterest.com Walls - You'll probably want to put something on the walls to make your gym more aesthetically pleasing. Putting up mirrors always seems to be a common theme in gyms, so include some mirrors in your new home gym, too. Mirrors ...