Its really easy to make money if you're throwing a party. Watch this: $300 for 510 beers = $0.588 per beer. Average person at a party drinks about 5 beers or so, but for conservative estimates' sake, call it 6. That's $3.52 worth of beer per person at the party, which you can charge $5 at the door to get in. $5 - $3.52 = $1.48 profit per person, multiplied by 85 people at the party (510 beers / 6 beers per person), gives you a net income for the night of $125.80, and said party can be held 3 nights a week (Thursday - Saturday), giving you a weekly income of $377.40, which is higher than you make. Go to college, learn math, make friends, and you too can figure out how to make more than $300 per week.

Bro they were having a party or stocking up. I doubt that the money to buy that beer came from two dudes. If you get upset by the fact that people spend money to have a party, man I dunno what to say.