Hi, Alot of your questions can be answered by searching the board, but I will put my two cents in, At one time, I had the same questions, and because I was not and still not a electonic wisard, had a high expectation of being able to run most of my home off the wind turbine that I could build. WRONG. I started out small, and kept building bigger ones, learning alot along the way, and also finding out that I had to be satified with using the power for some things, but never all. As far as me thinking I would ever beable to go off the grid, will not happen. Yes, if you are willing to change your lifestyle and really conserve power,and using wind and solar,( depending on where you live) than you may be able to do it. I have found getting into this, has been alot of fun, and a learning experiance. I have just now completed a 24 foot dia turbine, that Im building a tower for, that will be 48 volts, and using a inverter from the battery bank, am hoping and be satisfied with it running a resistant heater to help heat the house in the winter, and use it for maybe hot water in the summer. I think if you could afford an hugh battery bank with very high Amp hour rateing, you may be able to run most things in your house other than high voltage stuff, but you have to be able to figure pay back time for your investment. In other words is it worth it? To me, its a fun hobby, and something I have never did before, so I get a kick out of it. Good luck, Harrie