That used to be my experience also. I think because more folks use the front entrance. But they can borrow mobility scooters from either site when running low on stock. If your mobility scooter breaks down, they can roll a new one out to you from either site.
Yes, they do. The difference between the two is the rental at the Boardwalk, Buena Vista Rentals is that you can use them everywhere whether in the parks or at the resorts. Whereas the ones at the parks have to be left in the parks.