I could be OK with 500 square feet of home as long as it's on 100 acres. Wedged beneath millions of other tiny, people-filled boxes? Count me out.
I've thought about a 1,000 Sq ft house with a 4,000 Sq ft barn or warehouse. A personal warehouse would give me plenty of space for storage and "activities". Gotta have enough room for two bathrooms in my living space though. Being married, we still like to have our distance while not at our best...
I've really been thinking about it. I have 4 years until my daughter leaves for college, and then I have no reason to stay in my unnecessarily large house in the city. That just seems like freedom to me.