I believe the key factor is our education systems have heavily implied blue collar labour is low status so now there are labour shortages and the average age for a blue collar worker in some parts of the USA is in the 60s. I expect wages of $50 - $60 per hour to get normalized and even higher rents as housing stock stagnates.<p>The Fine Homebuilding podcast has a discussion here.<p><a href="https://www.finehomebuilding.com/2018/07/06/podcast-episode-123-shawn-van-dyke" rel="nofollow">https://www.finehomebuilding.com/2018/07/06/podcast-episode-...</a>