The person most excited about this should be AFI grad, Brad Ingelsby. He was previously living with hie parents working at his father's insurance company. According to Variety, Ingelsby got his script sold to Relativity Media for $650,000.
The Low Dweller is about Slim (DiCaprio), a man recently released from prison for murder. His only plan upon released was to marry his girlfriend until he found out his brother was murdered. Now his plan is revenge.
The script is said to be reminiscent of No Country for Old Man. That could explain why the studio was so eager to bid on this first time writer's script.