I haven't seen any numbers yet. I'm asking around for building costs. I get the champagne taste and beer budget goals- bang for buck.Don't think our pockets are that deep.
So we get rid of the safe room and go back to using our old gun safes, get rid of stone facade, use fiberglass insulation. Someone said get a couple of sheds and combine. Shipping containers are plentiful in port city area and can be made into tiny homes.
There are high schools that offer trade programs and build a tiny demo house each year, maybe buy those over time to build the development.
Or just build a range and offer cement pads with utilities and let each person decide what to put there. I figure a small home slab would run around $10k.
I like to put all the options on table and whittle it down from there, but there are other approaches.
Steel buildings are nice and can be made quite attractive.