These little flashlights are not only efficient, but also lower the amount of batteries that go in the trash each year. Wind-up flashlights allow you to charge them up with just a few cranks and keep you from looking for new batteries in times of need. They also minimize your expenses that go towards batteries, helping you on your quest for a more self sufficient lifestyle while saving you money.
Here is a guide to help you become self sufficient. This guide will walk you through different projects that you can take on to minimize the amount you buy, and get you producing your own products.