There's rich, and then there's Elon Musk rich—a level of wealth so extraordinary ... "My primary home is literally a ~$50K house in Boca Chica/Starbase that I rent from SpaceX.

Elon Musk has just landed in the history books as the first person to reach a net worth of $US400 billion ($A641.4 billion).

Elon Musk doesn’t miss an opportunity to take a dig at OpenAI — even when the news item in question is supposed to be ...