I've been charging away on my Disney Visa to earn reward points to help pay for my upcoming Disney trip. I transferred points to my reward card and gave them to my TA to apply towards my trip balance. She informed me that in order to secure a low airfare she didn't book my trip thru Disney, but thru GoGo Travels. Since it wasn't thru Disney she can't apply the reward points

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To get around this I was wondering if I could cancel the Dining Plan now and just get the MYW passes and then when I check in add the Dining Plan to my tickets and pay for it with my reward card. Is this possible? Am freaking out a bit since I have 673 points I want applied to my trip balance!!!!!!