Elon seems to be really big on vertical integration. He does the same thing with SpaceX which allows him to have much lower costs by only outsourcing stuff if h

Elon seems to be really big on vertical integration. He does the same thing with SpaceX which allows him to have much lower costs by only outsourcing stuff if he absolutely has to with plans of bringing it in house in the future. You can see this also in his desire to sell these cars directly instead of working through dealerships that is currently causing some legal battles.