Subprime mortgages led to the demise of the housing market in 2008, but one blogger suggests the dangerous subprime mortgage market is back again.

Jack Guttentag posted a blog on Inman News saying subprime mortgages consist of: expensive marketing, liberal qualification requirements, overcharges and high defaults.

While once considered yesterday's news, Guttentag warns loans with high-risk elements are back and landing in borrowers' hands.