Question: how elon musk became a billionaire?
Answer: Musk became a millionaire in 1999 at age 27 when he sold Zip2 (his web-software company) for over $340 million. With a 7% share of the company, Musk received $22 million for the deal. He reached billionaire-status in 2012 at age 40, debuting on Forbes Billionaires List with a net worth of $2 billion.