[Jeremy Germita]

+1 to all of the advice posted by everyone above.

If you didn't already do this for your previous events, I highly recommend establishing a whole-team(parents, mentors, students, etc) group communication method. We really like GroupMe. It has a really well built app and it helps us stay connected as a team. Facebook Messenger and Google Hangouts are also suitable if everyone already uses them, but GroupMe only requires a phone number to stay in the loop.
Group communication is critical for us as we had several different groups of students and mentors travelling separately. GroupMe helped us organize the logistics of dinner plans, team meeting places, emergency contacts, etc.

We also have a group specifically for scouting and strategy. That was great for communicating robot pictures, statuses, scouting data, etc.

Originally Posted by Pretzel

Championships truly is not about the competition, but about the experience.

QFT. I highly recommend making time to visit the other FIRST progression of programs in the other championship campus venues as well as the other championship event offerings like conferences, Scholarship Row, and the Innovation Faire. FIRST provides periodic shuttles between the venues and all of these events are definitely worth your time.