Entrance fee + cable car for Great Wall

The cable car and the Wall gate are not in the same place, but they are close to each other.
Yes, you can buy the ticket for the Wall at the end of the cable car and you do not need to buy ticket at the entrance and then walk to take the cable car at the bottom.
In my opinion, it is suggested to confirm it again at the entrace, so that you will not miss something.

Thanks