Learn what you need to know about building a rainwater catchment system. Tips and strategies are provided by self-sufficiency expert, Dan Chiras. 20 Strategies and Tips for Creating a Rainwater Catchment System
The Desert Fridge: This is an evaporative refrigerator that doesn't need electricity, and it costs almost nothing to make.Keep foods cool and fresh by using a zeer pot (Just 2 terra cotta pots and some sand)
Survival Mom DIY: Create Your Own Altoids Tin Seed Vaults! - Survival Mom
How to preserve eggs. Use mineral oil on eggs. I had no idea you could preserve eggs (unrefridgerated) for months by coating them with mineral oil! Alternatives to mineral oil: Jojoba oil or Kepeg (though not sure of the chemical makeup of Kpeg).