We were at Epcot the pick up day so I waited at the lost and found building. They took about half an hour from when I walked out of the park. I shared. Ride with someone being dropped off, I don't remember, but maybe TTC. It took about an hour to get there,no lines and out he door.
I found the shuttle driver very nice and the desk person. It was really nice that they brought the car around for me, started it to cool off, then showed me where all the lights, buttons and needs were.
I really wanted to go this route for the rental, but the airport was $100 less for 8 days over a week CCC.