Not too easy. Not too difficult.
I'm from NY so I feel like Cambridge/Boston is a small town with not much to do. However, there are museums in Boston,
plus shopping on Newbury Street and in Cambridgeside Galleria. It's pretty safe although there have been muggings at night.
Hours per week:
Advice for students:
Most students stick to campus and Cambridge and don't venture outside of it - everything you need is there.