“”19 bath rooms? That’s a lota crap..........””
Also a lot of piping and pumping to keep hot water constantly circulating to have instant hot water and who knows how many water heaters, and on-demand water heaters.
Last year, I met a builder who was working on a $40,000,000 home that was being built in the Hamptons. They were two years into the project and still hadn’;t hung a single sheet of drywall.
It was an amazing project to see, The mechanical room was about the size of my entire basement just for HVAC and plumbing.