Apartment living or offices from Simi trailers wielded together in high population area so you know you've got to build up. Ha!
Also compatible for living on other planets such as the Moon, hi or low deserts and even in outerspace.
Country living with 3 simi tractor trailer garage that is a 5 bdrm. 6 bathrm. living, dining and man cave subterranean swimming pool on level -1. Level -2 is another living quarters for 20 persons up to 100 years of subterranean life.
Also the front of the house has all solar power panels.