Depending on your handiness, and type of coach. Most are a waste of money. That is if you are handy. But read the fine print.You are always charged for the tech to evaluate the problem, not covered by any or most that is $ 129.00 to start, and then many parts are not covered or some are but the service is not, or the service may be but the part is not. Be careful. I take care of my own Class A .