Residence "Type A" a.k.a. Taj Mahal-Style Living

Residence "Type B" a.k.a. Less Ambitious, but Still Looks Pretty Sweet- Style Living

I know that none of this will be put into effect until at least us and the first of our grandchildren are out of school, but won't it be awesome to still be alive and say "Back in my day, we had these things called dorms and these randomly selected people slept in the same room as us and they were called roommates!"
Oh, grandpa.