You are limited to three payment cards (unique card numbers) when paying for the DDP. So if you are using three cards, the last card used must be able to cover the remaining balance.
I used 13 yesterday for 1 of our rooms. I will be using 23 tomorrow. The CM said there was not a limit of how many cards. Good thing!

Either Disney has changed something recently, or the limitation is with ticketing and APs. We don't do the DDP and only use gift cards during F&W, so I may be confused.![]()
Could be-there were no issues using multiple to pay for DDP yesterday.
I have never tried to use cards to purchase our AP.
