If you are in the right location, wind power can meet your energy needs. It can be very cheap, and recoup startup costs in 2-3 years. But you have to make sure you have the right kind of wind. Local buildings or tall trees can disturb the airflow and mess up any turbine, however advanced. On the other hand, you might be able to solve that problem with a taller tower.
First thing is to buy an Anemometer, which measures the wind and makes sure you have enough of it. You can either make one, or buy it from Amazon (recommended).
Once you have decided that you have wind, the next thing is to choose the turbine. You have three choices:
A small yet perfectly formed Generator for under $500. Providing up to 400 watts of power, this model is relatively easy to install and can be powering your laptop just minutes after you take it out of the box. Compare that to a Solio which would set you back $80 with just enough power to run your night light.
A higher-powered Turbine for around $2,100. This one gives you up to 900 watts, and that