Yes, at the Hotel Desk. I mentally keep track of the ball park amount we charge.
They will charge the card when you reach the spending limit at the resort (I think it's $1000 at Mods) or the wee hours of the morning on check out day, whichever comes first.
As long as we aren't doing some out of the ordinary purchasing I go by the desk every couple of days and pay off the charges so far.
Then, if I have any cards left, I go the last night and pay off whatever if left.
Any charges on the final day go on our card on file.
If you do find out they have run the card for some reason they can reverse the charges and use your gift card. I had to do this one time at BC when I forgot to stop by the last night.