From Atlanta International Airport, take the blue shuttle to the domestic airport, and then take the small train to the rental car center. There are not many people in the queue. It will be done soon. I picked up the car at the parking space and drove away. It went smoothly.
I'm alone, I chose a miniature SUV, more than 7,000 cars.
Return first to the rental car center to return the car, then take the small train to the domestic airport, and then shuttle to the international airport. It should be noted that the place to return the car is selected on the googol map, do not follow the address given by Trip.com , that address is the pick-up.