A former IRS auditor named Anne, who had lived in virtual obscurity in New York, died at the age of 102 and surprised everyone by leaving millions of dollars to a university who had never heard of her. These investments had been paying her an incredible $800,000 per year in stock dividends and interest. And even more surprising, since she had never earned more than $4000 a year at her job, was that she had started investing with $5000 after she retired...