I booked my MNSSHP tickets about three weeks before I left, and I was there for the first party in September. I don't think they sell out, except maybe close to/on Halloween. You will have plenty of time to plan your week...my biggest stress was, will it rain the night of the party? It did rain at first, but then cleared and we were still able to enjoy the rest of the night. You will absolutely love it, I wish I could go back again. We bought the soundtrack and listen to it every day while wer'e driving. You'll be singing Boo to you for weeks after you leave! Thank you so much! Have a great trip!!!