Takeout (UK English: takeaway), is super cheap here - similar prices in dollars to what you would pay in pounds in the UK. And they deliver. And the burrito place down the hill lets you order in advance (e.g. can I get a burrito in 3 hours. Great study motivation). Given lack of nearby corner stores, I'm pretty sure the takeout (and Hall of Flags food*) is the only reason I'm still alive.
* they leave out leftover food from events in the front hall and if you're quick, you get to eat.