Where you off to Ste?
Depending on your focus, Year 1 can be very important, or totally pointless. I went for totally pointless, it worked out pretty well - but i wasn't targeting industrial placements etc so all i had to do was pass to get into year 2.
I'd recommend understanding the degree grading structure before you get too far into it - find out exactly how final grades are calculated, and how each year/module affects the next year, and/or final grade. Then you know exactly what you need to achieve with each in order to get what you want out of it. I'd say this is more important now that Uni is so ridiculously expensive.
Depending on which university, you can be very busy, or have a tonne of spare time (or both, weirdly). In my experience, thus far - i've never had as much free time as when i was a student - we used it wisely, and opted to donate a tonne of it to the RAF to learn to fly, but with hindsight - i'd of done more work on personal projects to kickstart business ideas and personal development if i had realised how little time i'd have now i'm working full time. I also had a job on the side, i basically applied to popular cocktail bars for the perks - gets you another crowd of mates to keep busy with, and free drinks
Asda is your friend, as is lidl/aldi and if you live near local independent fruit/veg stores they're usually massively cheaper. I also reckon i've never eaten as healthily as i did when i was student - free time and limited budget = tonnes of vegetables with cheap carbs, and enough time to make interesting food. Also living in shared accom and cooking group meals is a huge saver, and despite being on a 95% male course, i lived with 3 girls.. it had many perks.
I also used to re-arrange all my lectures (ie, find out when duplicate lectures of the same topic were on) and adjust the timetable so i had my 10-20 hours of weekly lectures/seminars compressed into 2-3 days, rather than spread over 5. Means you get relaxy time during the week, and weekends become usable to go and do stuff.
Hopefully not too much teaching you to suck eggs - i just remember when i graduated the one thing Uni didn't do was introduce you to a 3rd year before you started so that you knew how it all worked.