That would be a slick idea but as Calum said you'd have a monopoly worse than MS is planning.
And X11, you should be allowed off campus for fast food because all school cafeterias are sub-par to begin with, add nutritionless food, grease, fat with aspartame & monosodiumglutamate up the asshole and you're talking indigestion. Which justifies you vomiting on a teacher's desk...
Ramble ramble ramble...