The means to build (labor, construction material) as well as infrastructure like water, transit, roads, schools with teachers, etc...can be as limiting as land

The means to build (labor, construction material) as well as infrastructure like water, transit, roads, schools with teachers, etc...can be as limiting as land available to build and now how much can be built on that land. I wonder if the former can be handled via more use of prefab homes. We really need to figure out how to up productivity in the home construction industry. The latter...well, its the same problem basically, we suck at building infrastructure: we either don't, or it is very costly and takes forever.