Hi there,
Firstly, be prepared for the independence. University is big step up in many ways from school/college and it can throw people off sometimes how different it feels. You will be entirely responsible for getting your work done, or attending your lectures as no one will be taking attendance like at school so its good to practise self-discipline to make sure you are getting the most out of your education.
Additionally, I would recommend learning to cook some big budget meals. Cooking in bulk can both save time and money and I think every uni student benefits from this.
Lastly, join a society. Try new things when you get there and find your people, societies are brilliant ways to find a hobby, take a break and meet lots of new people.
Good luck,
- Sophie (uni of Bath)