My wife and I lived in a 24 foot camper for several months while I dug and built a septic, pushed a well by hand, created mounts for solar panels, and we built our own house with hammers and hand saws. The house was 24x16, antique Kitchen Queen cast iron wood cook stove (also used for heating and hot water), full bathroom, DC pump for water pressure, DC outlets instead of AC, decent sized kitchen area, king-sized bed, and we lived in it for over five years. It was the most comfortable house I ever lived in. If someday I'm a widower, I might find secluded land again, and build another house of similar size.