I like the idea of a "pen pal" environment - that takes care of
   the larger community sizes or multiple communities. I'm thinking
   of the process too --the reason why I mention room by room. it
   starts out with an idea. Then some funding to get it started.
   then the first bedroom, and the start of community centers. You
   gather other people. Their rooms are built. Start it off right,
   so yo udon'...t run into issues later on. You could host
   retreats to raise additional capital. (school trips, weekend
   learning sessions0 - it owuld ALMOST be like a summer camp but
   year round and people lived there. Now it's reminding me of an
   RV park -- HEEEEEEEYYYYY - THAT'S IT! Use existing technology
   and existing resources: Buy an old campground to start! plumbing
   is there. Get trailers here and there, fix them up. The
   community centers are already there - the bui... "