There have been some early signs of #1: https://www.businessinsider.com/millennials-vs-baby-boomers-big-houses-real-estate-market-problems-2019-3 https://www.bu

There have been some early signs of #1: https://www.businessinsider.com/millennials-vs-baby-boomers-big-houses-real-estate-market-problems-2019-3 https://www.businessinsider.com/millennials-vs-baby-boomers-...