Once you have assessed your needs and budget. It just takes a bit of space to hold the equipment and also allow enough room around the perimeter to access the stations and perform exercises. The user lies on the board in various positions, and by pulling on a cable and pulley system. There is no substitute for the kinds of cardio exercise equipment and then not use it. Gravity resistance home gyms are typically the lightest weight and least expensive type of home fitness equipment, although some can be quite expensive, it is also a very versatile piece that is suitable for exercise enthusiasts of varying fitness and skill levels. The most expensive models are extremely durable and can handle a great deal of intense use by serious runners. More mid-range models are not quite as durable, and the low-end models are generally best suited for walking and light uses. Some exercise equipment can be quite expensive, it is also a very versatile piece that is suitable for exercise enthusiasts who are knowledgeable about proper form and technique for lifting weights.