Warren Buffett warned debt can ruin your life — and praised his dad's parenting when he was 'behaving like a jerk'

Tech Insider : Business, Economy
Warren Buffett
Warren Buffett built his fortune through long-term investing at his firm, Berkshire Hathaway.

Johannes EISELE / AFP via Getty Images

'A promise to go on giving': What 9 of Warren Buffett's closest followers told us about his final letter as CEO

Tech Insider : Business
warren buffett pointing
Warren Buffett published his last letter as Berkshire Hathaway CEO this week.

Daniel Zuchnik/WireImage

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