Inheritance tax 40% Give his son half less directly Donate to the Foundation The foundation is still managed by his son About 5% is used for charitable causes every year The rest can continue to be invested Munger had already donated almost 2 billion before his death Buffett previously donated a lot to the Gates Foundation What he was thinking about later was to save a huge sum of money and donate it after his death Buffett and Munger are both great After all, donating during one's lifetime is truly spending one's own money Donations after death are actually not yours anymore