My guess it would be around the time the first boomers are getting out into markets, and their parents are settling into their forever home - never selling unti

My guess it would be around the time the first boomers are getting out into markets, and their parents are settling into their forever home - never selling until death or forced retirement home. Tie that with what people of that generation would consider a tolerable commute and the cultural idyllic home size/lot size. I think you start to form the basis of the answer, and like all answers it is simple in it's complexity