East Islip, NY.
This house was purchased from HUD in 2001 for $124,000.  After $15,000 of renovations the property sold for $300,000!

This house in Ely Nevada, was purchased in 2005 for $55,000.  After $20,000 in renovations, it sold for $95,000.

This house was purchased in Ely, Nevada for $28,000.  After a minimal amount of renovations it sold for $85,000 in 2007.