Warren Buffett is handing $140 billion to his family’s foundations. The way he’s doing it reveals how billionaire philanthropy really works

Warren Buffett redirected $140 billion from the Gates Foundation to his children’s charities, sparking debate about tax avoidance and philanthropy efficiency. Experts note that giving appreciated stock to foundations avoids capital gains and estate taxes, with Buffett’s move potentially saving $33 billion to $56 billion in taxes.