Unlike other car manufacturers who go bust (like Saab 7 years ago), Tesla has worked hard to limit third-parties from repairing their cars. So if they go bust,

Unlike other car manufacturers who go bust (like Saab 7 years ago), Tesla has worked hard to limit third-parties from repairing their cars. So if they go bust, you have to hope that their service business gets spun out into a company that lives on, and that this company (which retains a monopoly) doesn't charge you ridiculous rates.