In fact a simple search reveals the suckiness of this place.
Building A Cellar – Survival Gear Reviews Articles and Forums
Those guys aren't worried about the end of the world like I am, but it's a start. It doesn't have to be that hard.
I have a 7' deep 10'x10' hole dug and the wall supporting the house is a rammed earth tire wall... I started with 16s (just over 2' wide) and finished the wall with 15s and you guys suck for not mentioning the ends of the walls when overlapping tires.
I figured out an elegantly simple solution using just more dirt and some recycled stuff on hand. But, why should I tell you jerks?