The creation of the automobile opened up a ton of land for new, cheap housing. That lasted for a few decades, but the land is now developed and the population is much larger and evermore urban, so the gold rush is over.
There may be a chance to develop our way to cheaper housing, but you'll be getting less land and less space for more money.
My wife and I hold "great" jobs right now. Some of the best in the nation. Yet we can't afford anything close to what our parents could when they were 10 years younger than we are now.
And it just pisses me off to no end when we see shit like this from the boomers:
http://money.cnn.com/2017/05/15/news/millennials-home-buying...
These people have no idea how lucky and easy they had it compared to what young people are dealing with now. The deck, is stacked.