You always have to prepare for the obstacles that are going to come. Consequently, when they do come, it doesn't affect you mentally near as much as when you're unprepared for them.
Do what's right! Do the best you can and treat others the way you want to be treated because they will ask three questions: (1) Can I trust you? (2) Are you committed? (3) Do you care about me as a person?
If you want to get a deal, negotiate with the teams yourself. Say, "I want this much, and no less, but I'll show up to camp on time." It doesn't seem that hard to me.