containerbay

containerbay is an amazing collection of structures built from repurposed shipping containers. The containers are steel or aluminum, about 40'x8', designed to support heavy loads, can be had for about $1,500, and there is a huge surplus.

Global Portable Buildings sells one that is a one-bedroom, self-contained residence, with wiring, kitchen, bath, closets, insulation, etc. Requires no foundation. Solar powered optional.