There's almost no easier way to preserve food than dehydrating. Used for thousands of years to help food last without refrigeration, drying is one of the fastest and least expensive ways to save food. It can also lighten the weight of foods made for camping and backpacking—saving your back and your wallet.
I've used an electric dehydrator. It worked but consider the power and heat of the sun to save money and electricity. Take a look at some alternatives:
Beginner's Guide to Dehydrating Food
How to Sun-dry Foods Yourself: Three Methods!
DIY dehydrating with the sun! - Big sun drying rack!
Dehydrating Food Without Electricity
Food Dehydration - How to Dry Foods Instead of Canning or Freezing