In an announcement about a new round of charitable giving, billionaire Warren Buffett passed along some wisdom about estate planning that could prove just as valuable as his investing advice. “When your children are mature,

Anyone can learn from billionaire investor Warren Buffett’s proactive and flexible approach to estate planning, experts say.

Buffett converted 1,600 Class A shares of Berkshire Hathaway into 2.4 million Class B shares worth $1.14 billion for distribution to four family foundations.