Root Cellar--if my yard were large enough for this and for a really big veg garden I would totally do this and never buy potatoes, onions, sweet potates, turnips, parsnips, carrots, etc again! AND somewhere to store our homebrew
Here in the photo is a great ideal for storing food and water. If your prepping this would be a great ideal.
How To Build a Matchless Fire
House or root cellar? - Inside the house of ancient Russians (slavyane), the 10th century. The window was used as a door.
How To Make A Glowstick Perimeter Alarm - Survivor Medic website shares how to make a glowstick nighttime perimeter alarm that will be triggered by strangers trespassing upon your property. It does not hurt anyone but the trap does snap and crack the glowstick therefore activating a chemical reaction illuminating a visual signal silent alarm.
If I had to start from nothing. The top 6 tool on wish list.