Shipping Containers and How to Insulate Them http://preparednessadvice.com/shelter/shipping-containers-insulate/#.U_41j_ldWPQ
Great portable shelter, designed for extreme environments, with an outer steel shell and four large folding decks which completely enclose the building when not in use.
The Chimera tiny house by Wind River Homes. A 192 sq ft tiny house on wheels priced at $84,000
MEKA Shipping Container Pop-Up Prefab in New York
Shipping Container Homes
Shipping Container Homes Book Series – Book 92 - Shipping Container Home Plans - How to Plan, Design and Build your own House out of Cargo Containers #containerhome #shippingcontainer
Personally I would combine multiple shipping containers into one architecturally interesting home, but these are still cool for tiny homes, and on an even tinier budget.
A used shipping container costs about $2K, after that it's up to you.