Mostly from phony stock perks at Tesela now under investigation and YES Twitter is basically being run just by him,and he's an IDIOT if he thinks it will continue to operate without their programmers and IT personnel.
For an idiot he's accomplished quite a bit. Starting Tesla, PayPal, the Boring company and launching rockets and satellites into orbit. Not to mention getting rid of most of the woke snowflakes at twitter. If Matt can bring us half the success Musk has accomplished, at any one of his businesses, we'll all be changing zip codes.