Elon Musk made his money through a variety of ventures, including: Zip2: Musk co-founded Zip2, a web software company, in 1995. Compaq acquired Zip2 for $307 million in 1999. PayPal: Musk co-founded PayPal, an online payment system, in 1999. EBay acquired PayPal for $1.5 billion in 2002. SpaceX: Musk founded SpaceX, a private space exploration company, in 2002. SpaceX has developed several innovative technologies, including the Falcon 9 rocket and the Dragon spacecraft. Tesla Motors: Musk co-founded Tesla Motors, an electric car company, in 2003. Tesla has produced some popular electric cars, including the Model S, Model X, Model 3, and Model Y. Musk has also made money through investments in other companies, such as SolarCity and OpenAI. He is also the CEO of Neuralink, a company developing brain-computer interfaces.