For builders, they will buy a block of land and build many houses on it. The unit cost of a home drops dramatically when you are building 50 of them at once.
The real killer for them is interest rates, as they finance the whole thing and then can pay it off when all the homes are sold. High rates make the finances much more challenging to work.
For what it is worth, said home entertained was a manufactured home, so it is already pushing economies of scale. I'd hate to see a quote for a custom home. We have not truly figured out how to make housing scale very well, though. Even our most efficient methods are very primitive as compared to virtually all other manufacturing we do. Solve that problem and the price of all homes will plummet.
