I always thought that sounded like it would provide maximum flexibility since there are so many tiny airfields in the US you'd be hard pressed to work somewhere too far from one.
Seemed pretty incredible overall... at the time I remember looking it up and the cost working out to a bit cheaper than bay area housing all-in, but I didn't really know how to calculate the airplane costs accurately.
[1] https://www.businessinsider.com/cameron-airpark-estates-cali...