One important change: Funds and investors are allowed to buy single family homes starting 2012. That's one reason for the crazy housing market and makes the pri

One important change: Funds and investors are allowed to buy single family homes starting 2012. That's one reason for the crazy housing market and makes the price to income ratio less useful. (Src: https://www.theatlantic.com/technology/archive/2019/02/single-family-landlords-wall-street/582394/ https://www.theatlantic.com/technology/archive/2019/02/singl...)