Horde it in 50 gal. drums and wait for the price to go back up. Then resell it to people for 10 cents cheaper then the lowest gas station price, and make bank.
I have a friend like that but without the stealing and skipping school. Actually he's like a fucking genius, but all he really does is play xbox. He has like 90k gamerpoints, and like 100 different games. He's super awkward around people.
Usually i'll get like a chicken sandwich or whatever with fries/drink, but if i'm at McDonalds i order two dub cheeseburgers with big mac sauce and a water, then i go fill it with sprite.
I don't think they were even trying to make it look serious. It's based on a video game anwyay, right? This is why i don't want them to make a Halo movie.