Wasn't this done before back in the mid 2000s and led to the first mortgage crisis in 2007-2008? I know if you were black, breathing and did not have bad credit, a $275,000 mortgage was not a problem. People in Atlanta were buying houses, slapping some sheet rock up, painting it and selling it to a cousin or something and walking away with $125,000 or more from the closing table. The cousin got a few thousand for signing their name. Make a couple of payments to avoid mortgage fraud and let the bank have it back. At the time, I discussed it with a bank mortgage officer about houses being sold that were worth no where near the sale price/appraisal value and got told it didn't matter: they literally were not allowed to turn them down legally due to Dodd-Frank.
This will not end well.