Purchasing a Treadmill is not always an easy decision. The Yukon Fitness, Inertia line of products, are "built to last" and come with the warranty to prove it. LIFETIME WARRANTY on all frames and the longest motor warranties around for the money. There's a reason why the less expensive "big chain" models only come with 90 day warranties, because they're built to last "90 Days". With Inertia, you can spend just a little extra and end up with a lot MORE.....