I think they're also places with cheap land reasonably near the city center (look at some of these housing prices: http://www.zillow.com/albuquerque-nm/home-val

I think they're also places with cheap land reasonably near the city center (look at some of these housing prices: http://www.zillow.com/albuquerque-nm/home-values/ http://www.zillow.com/albuquerque-nm/home-values/). I don't know where you could easily build tiny houses or any other kind of new public housing anywhere near NY or SF.