I would only call it $10.5B in pre-orders if people paid the full price when they put a deposit. it is more like ~ $25M in deposits.
https://news.ycombinator.com/item?id=21644374 https://news.ycombinator.com/item?id=21644374
Says 25% of Model 3 pre-orders were cancelled and the reservation fee for those was $1000.
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