The following link is about a county selling a farm worth 800k over 572 dollars for 15k to an investor. The story is sad in that the woman lost her farm but shows the power of investing and the potential profit. The man who bought the property stands to make around a million dollars from a 15000 dollar investment.
http://pennlive.com/news/patriotnews/index.ssf?/base/news/1068201024262541.xml