Treadmills are one of the most popular pieces of home exercise equipment available and with very good reason. Treadmills are simple to use and provide one of the best ways to improve cardiovascular fitness. Unfortunately, the huge popularity of treadmills means that there are many competing models to choose between and shopping for a home treadmill can be an overwhelming process for a lot of buyers. The quality and features of any treadmill is to a large extent reflected in the price of the unit. Basic models start at under $500 while advanced top of the range treadmills can set you back more than $5,000.