From my memory, it's just a $50k reservation, and if that's the case, it's going to cost a lot more than that in actuality.

Note that even the lowest even described model (50k just to reserve a spot for unspecified price and based on Tesla historically, unknown delivery date) there are issues.

They claim the active down force fan will be on that, but I hear that even on tracks they frequently aren't allowed. It's not likely to be a street legal thing, given what happens with road debris in such a scenario.

Correct. There is zero chance they ever come out with a flying car

New planes are fucking expensive. Hundreds of thousands of dollars. 50% of the cost of those planes is airframe certification and insurance for the manufacturer

Planes used to be war cheaper, but liability and bureaucracy has slowly been killing GA for a few decades