11-Year-Old Warren Buffett Made a Big Mistake With His First Investment. Here's the Lesson That Helped Him Achieve a $145 Billion Net Worth. Buffett recalls the experience in Alice Schroeder’s ‘The Snowball.’ Previous Article Wave Goodbye to the 9-5 — 3 Reasons Why It's Long Past Time to Embrace Flexible Scheduling Next Article Say Goodbye to PDF Hassles with UPDF Pro