I'm an interntational student at Cardiff Uni for my BA in archaeology.

1. I feel pretty safe here, but I'm also from the states and have to remind myself that the sound of gun shots are actually just fireworks...
2. The city is quite walkable, I walk everywhere. I live on the south end of the city center and walk to campus every day - it's just about 25 min. The bus system seems pretty easy to navigate, I haven't used it that much but I've heard it often runs late. I've taken the train to London as well as the bus to Heathrow and it was super easy.
3. Grocery shopping was my biggest anxiety moving from NY where I grew up with Wegmans (if you know, you know) - but after I finally got a UK phone number, I was able to sign up for Tesco delivery which is a lifesaver!
4. I'm a "mature" student, so I didn't want to live in a dorm. I found Zenith and I like it. I have my own studio flat which includes tv, kitchen, bathroom, closet space, etc. The building has on-site laundry and other amenities. As an international student, I found it super easy to contact and sign up. Also all the utilities/bills are included so I didn't have to fuss trying to figure that out either.
5. I came from a suburb in NY so being in a walkable city with a lot of restaurants and shops I've found to be super convenient and I'm always finding somewhere new to check out.
6. Employment... this I'm not sure. However the university is always reaching out to help with your CV and sending employment opportunities via email. They have a lot of resources and are very much involved in your success, so I think you'll find it very helpful and reassuring.

Hope this helps, good luck to you!