There is a desk and chair cleaner in our school canteen.

Or someone who cleans the study room.

It's all arranged by the school

Or go to a restaurant near the school.

do part-time jobs

If you really can't, don't ask for money, let them provide a meal.

The meal is also out.

I also saved money online.

besides

You should concentrate on what you do online.

You can't play while doing it.