Warren Buffett, the billionaire investor and CEO of Berkshire Hathaway, is known for his frugal lifestyle, which starkly contrasts with the typical image of wealth. A memorable instance of his frugality occurred when he treated Microsoft co-founder Bill Gates to lunch at McDonald's, using coupons. Buffett's daily breakfast routine is also influenced by the stock market; he chooses his meal based on market conditions, often opting for a McDonald's sandwich priced according to his perceived financial situation. Despite his immense wealth, Buffett lives in a modest five-bedroom home in Omaha, Nebraska, which he purchased for $31,500 in 1958 and is now valued at about $1.3 million. He drives a 2014 Cadillac XTS, showing visible hail damage, and believes that accumulating luxury items does not contribute to happiness. Buffett's approach to life emphasizes simplicity and value over materialism, as he maintains that a higher standard of living does not necessarily lead to greater happiness.