Warren Buffett's wife, Astrid Buffett, was overheard complaining about the price of coffee at an event where she paid $4 (₹328) for a cup.
Despite being the sixth richest person with a net worth of $114 billion, Warren Buffett is known for his frugality, living in the same house he bought for $31,500 in 1958 and clipping coupons.
Warren Buffett married Astrid Menks in 2006 when he was 76 and she was 60. She often accompanies him to events and conferences.