There are lots of people doing the same lecture, not neccessarily on the same course, possibly a sessional lecturer, and a room with facilities . The uni have to juggle all of these needs to ensure that the lecture is available to all.
Assuming it's a Campus uni go to the library . Socialise (a bit) with other people on the course and talk about the lecture.
At 9 grand a year, it's 3 grand a term. Or £300 a week . Just on tuition
Each day you pay £75 to the uni. Don't be daft and not go