Gaining

Might be worth mentioning a budget.

One thing to consider is checking out some local independet/smaller take out places as they may offer better value over e.g. McDonald's.

Also check out any apps/sites for offers e.g. McDonald's, pizza, Uber eats, etc.

There may also be cheap options such as (multiple packets of) instant noodles, toasted baked bean sandwiches, etc.

If your dorm allows it, maybe look into a cheap air fryer if you don't want to use a shared oven, might be cheaper long term.

Also check if your local supermarket has a discount corner. My does, and I have had cakes, pies, candy and other items for up to 60% off. Sometimes the items are a little smooched or just beyond their best if used by date, but as far as flavor goes, I have never been able to tell the difference.