As you know the rate of electrical use is going up.We all need help saving a few dollars.With this system that is offered you have the opportunity to keep some extra money in your pocket and cause the electric companies pay you for the energy you have saved. Don't be afraid this is not a bulky intrusive system like some others out there. I believe it will be well worth your money and time.If this system can save you hundreds or even thousand a year , isn't it worth it?