The Wharton School’s Susan Wachter discussed the risks of more complicated home loans, like interest-only adjustable-rate mortgages. “If you do need to sell to move or get a better job, or your own financial circumstances change, having a mortgage that exceeds the value of the home will put you in a spot,” said Wachter.
https://www.nytimes.com/2018/12/14/your-money/interest-only-mortgages.html The New York Times