JASON HEATH | Special to the Financial Post  | Published May 5, 2012

This week, Warren Buffett released an open letter to Berkshire Hathaway Inc. shareholders revealing that he has been diagnosed with prostate cancer.

The billionaire is a posterboy for so many aspects of personal finance. Most notably, he is one of the world’s wealthiest men and most successful investors, and in recent years he has become one of history’s most generous philanthropists. But perhaps more importantly, he is an example to everyone about why the importance of financial planning is perhaps the biggest misconception in the accumulation of wealth. read full article