, the cost that you are going to save over a lifetime will far exceed that. And plus, who is to say there should be a price on saving our planet? Maybe more people should start thinking of ways to make solar power houses more efficient for everyone so that not so much damage will continue to be done to our planet. Since we only have one planet to live on at the current moment, it is probably a good idea that everyone come together to help make it a safe place to live.