Prices will vary depending on the size and amenities you choose, but a one-module setup will set you back somewhere in the $40,000 range. The company will engineer anything from a hyper-minimalist surf shack to a cabin-esque structure with a dining area, kitchen, and lofted bedroom. However, you’ll need to account for the cost of integrating plumbing, heating, and electricity, since those aren't included. Basically, owning a home -- no matter how small -- doesn't come cheap or without additional expenses. Finding land on which to build the place is a whole other animal in itself.