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Comparing 2 retailers for the best deal
Product prices and availability are accurate as of Aug 19, 2026, 5:58 AM and are subject to change. Any price and availability information displayed on the retailer's site at the time of purchase will apply.
The lowest in-stock price right now is $20.99 at Walmart. We compare 2 retailers every day so you always see the cheapest current price.
Rethink Press Solar Boom: The insider's guide to the utility is currently available at Walmart and Amazon. Use the Price Comparison table above to jump straight to the cheapest listing.

Knowledge Publications
Fuel from Farms: A Guide to Small Scale Ethanol Production
from 1 retailers

Majosta
DIY SOLAR POWER FOR BEGINNERS: A TECHNICAL GUIDE ON HOW TO DESIGN, INSTALL AND MAINTAIN GRID TIED AND OFF GRID SOLAR POWER SYSTEMS FOR YOUR HOME
from 1 retailers

Pixyjack Press, Inc.
Power With Nature, 3rd Edition: Renewable Energy Options for Homeowners
from 2 retailers

RV Books
Solar That Really Works!
from 1 retailers
See today's price on Amazon
We link you to Amazon's live price — never a stale one.
See price at AmazonComparing 2 retailers for the best deal
Product prices and availability are accurate as of Aug 19, 2026, 5:58 AM and are subject to change. Any price and availability information displayed on the retailer's site at the time of purchase will apply.
We refresh prices regularly, but retailers move fast. If you found this item cheaper somewhere we compare, let us know and we'll take a look.