Yay, another flying car prototype. This one looks fairly similar to the Terrafugia Transition, which had its maiden flight in 2009 and is still awaiting certification.
The flying car has a lot of disadvantages, some regulatory, some convenience. You need a pilot's certificate. You can only take off and land at airfields, when they are open. Because they are so different from regular aircraft, the companies try to certify them as lightweights, which severely restricts their weight. The Transition has a "useful load" of 227 kg, counting pilot, passenger, luggage and fuel. Night-time or IFR flight is not possible -- so if there is a risk of bad weather between you and your destination, you'll have to stay on the road. And if there is any ding to the aerodynamic surfaces -- which includes the entire body of the car, it's back to the shop to check whether it's still airworthy.
All that for a price that buys you a car, an ultralight plane or a small used aircraft, and limo service from any remote airport to a destination, many times over.