Disclosure: GardenInspire.com periodically posts information about products for which we are compensated. GardenInspire.com only promotes products which I feel would be worthwhile for my readers. More information.
For less than $50 you can receive information about inexpensively building your own solar and wind powered systems. The cost to build them is around $200 with parts you can easily find. Download your information right after payment. Includes online video and an ebook plus updates to help you reduce your energy bill.
Once you have watched, read, and installed please let me know what you think.