No
no
nope
No, it's not compulsory nor required
No, but its good to earn some money for yourself :) extra cash is never bad :p
no
No, you don't need to
Not at all
No, but it is generally a good idea, since being a university student costs quite a bit of money, and the amount of hours you can work while attending school is limited.
no
The answer is no because summer is a break, not a station
No, of course not
No