There's basically no economy of scale in construction: https://www.construction-physics.com/p/why-are-there-so-few-economies-of https://www.construction-physics

There's basically no economy of scale in construction: https://www.construction-physics.com/p/why-are-there-so-few-economies-of https://www.construction-physics.com/p/why-are-there-so-few-... All the money to be made is selling to the top end of the market, especially since land is priced at developing the land as much as you can (to then sell to the top end).