Handy with the tools? The Shell model is an affordable way to get through production fast!. Some customers want to build them out themselves while some just want to get it through production so they can have quicker. Either way we got you covered. 9x20' Shells are 50,000.00 and the 10x30 Shells are $60,000. Comes with Trailer, windows, doors, siding and completely sealed to the elements. Home owner will do the build out. Rough: Electrical, plumbing and HVAC upgrades are available upon request.