Check out this very informative article by Jaret Hecht posted on Entrepreneur on why you need a mentor and where you can find one for free.
"Every year in the United States, an average of 587,000 new small businesses are born. The bad news is only half survive five years. And by the time you get to 10 years, that number is cut to one-third. But, there are ways to increase your odds of survival. Working with a mentor has proven to be an indicator of success. Here are five reasons why."