There is another hidden profit centre source for Tesla. Vehicles on three year leases are starting to be returned to Tesla and become available for resale . Because of the crazy used car market in USA the market value for these cars is much higher than their book value, there is speculation this will be worth $billions over the next few years. The story goes that Elon had thought they would have solved FSD by now and wanted the cars for robotaxis. Elon still thinks they will solve FSD this year, many think he is in lala land. Either way, it seems like a financial win.