There is not a shortage of urban housing space, though, by any means. Only in a small number of highly-popular urban areas like silicon valley, NYC, etc. Shocki

There is not a shortage of urban housing space, though, by any means. Only in a small number of highly-popular urban areas like silicon valley, NYC, etc. Shockingly cheap housing is readily found in St Louis, Philadelphia, and many other less "sexy" sounding medium-sized cities.