The wheels can be singular, not paired,
if the passengers stay in the middle area.
But flipping 90 degrees, as it goes
from flight mode to vehicle.
But driver, elevated above the wheel,
for better viewing.
If paired wheels front and back...
probably more stability
but not efficient with the......
power distribution......
i don't know Mr Musk.
Hope you can refine it.
I'm going to focus solely on the presentations....