Berkshire Hathaway Inc. Chairman and CEO Warren Buffett is immensely wealthy and notoriously frugal. His frugality isn't for personal gain. He has given billions to various charities and signed the Giving Pledge, affirming that over 99% of his fortune will be dedicated to philanthropic causes during his life or upon his passing. Microsoft Corp. Co-Founder Bill Gates, one of Buffett's close friends, recalls an incident in the 2017 annual letter posted on Gates Notes. During a trip to Hong Kong, t
