DIY Plans for Free Solar and Wind Power Here's an inexpensive way for do-it-yourselfers to start saving on home energy costs. Earth 4 Energy is a downloadable guide that shows you how to build your own solar panels and your own backyard wind turbine for as little as $200 each.

Design Your Own Building  Plan3D is an online service that helps you create a home (or garage, shed, and room extension), landscape it and lay out furniture.  Everything is online and inexpensive, so you can get started today.