FYI:

https://www.citylab.com/perspective/2018/09/why-is-the-home-building-industry-stuck-in-the-1940s/570469/?utm_campaign=citylab&utm_medium=social&utm_term=2019-08-06T21%3A16%3A07&utm_source=facebook&utm_content=edit-promo&fbclid=IwAR396xSr1VYIXBNoURbHYSASm_XPuMAiBHy5ayfCllfU-qQtD-Otk5gDSLg

Al Ratcliffe