@Littlebear12 welcome to fierceboard!
you will find a lot of useful and not so useful information here. i joined when my daughter started cheer and have learned a lot. she is now 12, on season 5 at gym #2 so i have a little experience under me.
as other posters mentioned, routine changes are necessary and will happen all season long. it's a good thing - they are listening to the judges and their comments on the routine and adjusting to hit the score sheet. it sounds like when your team won 1st at the first few comps they may have been smaller local comps and when they went to larger comps with more competition the routine wasn't competitive.
early meet times suck, there is no way around it. as your daughter (CP as we call them) advances in her cheer career meet times should get later. one day you will look back and complain about competing at 8 or 9pm. Hair and makeup are part of the game, everyone should look uniform. each gym makes their own decision as to hair and makeup styles. my gym is into heavy makeup and big hair, other gyms are light makeup and straight hair. if the hair and makeup bother you that much you might want to look into other local gyms and what they do and switch next season. i can tell you though that i would not select a gym based on hair or makeup - it would be for gym environment & technique.
We are not allowed to swim at our gym. As other posters mentioned swimming tires out the athletes and the coaches want them rested and ready to compete. I would suggest tacking on an extra night or two in a city you are traveling too if you want to make it a mini vacation. Competition weekends are fun but are exhausting.
If you have any questions that you aren't comfortable with posting just PM any of us parents and we can help you out.