Earthbags: simply bags filled with Earth and an added adhesive such as concrete or clay, then stacked in brick style to create very cheap but very strong walls.

Quickrete: concrete filled bags used for first layer sometimes with rebar solidified into it.

Rebar: metal bar that goes in vertically and perpendicular to the level ground, regarless of foundation slope

CONSTRUCTION PROCESS

Sift earth to get out stones and organic material

Mix earth, sand, and clay until ball drop test is successful

Fill bags with mix 4-5 inches then tamp down and repeat until 2/3 full

Lay bags in interlacing/alternating pattern. Fold bag opening under layed bag. Tamper bag flat. Diddle corners so they don't pertrude.

Additional:

Pass cans of fill up to empty bag on wall, rather than passing up full bags

Blocks can be placed between earthbag rows surrounding doorways to nail the door frame into