Robaroni,
The Model S 70D is $70k, $5k for two engines 432 hp, Auto pilot is $3.k. It's $10k less then the 85D. And your wrong the duel engine models get better millage. Plus the Model S 85 only goes 35 miles further then the 70D.
Tesla costs.
Found problem with links.
Got a Drone, switch to 4k video with You Tube options.
DJI Phantom 3 Professional :
Not my Video.
Drone has 1.2 mile range, air born for 23 min.
Couple 4k 'still' pictures here:
My compost Hobby