Earlier quoted context omitted.
Or withdrawals from people. The deposits are non-committal so people can cancel without losing anything.
I can't think of any product I'd rather have than a Tesla. I think Tesla will sell millions of Model 3. Which other car is 400,000 people waiting patiently to buy for two years, even putting down a $1,000 deposit? Tesla is doing to traditional car manufacturers what Apple did to Nokia.
If my basic needs like housing and healthcare were already met (unfortunately they aren't), my next purchase would probably be a Tesla or a Solar/Powerwall combo for the house, or both.