If this gets popular, expect the planning commission/building inspectors to start special rules (with extra $).
Then the advantage will go away.
Assembly Required: 15 DIY Kit Homes
http://www.bobvila.com/modular-construction/44417-assembly-required-15-diy-kit-homes/slideshows#!1
another 5 years of being ruled by our Congresscritters and we’ll all be looking for something like this to live in
as far away from cities as possible.