No, picking up the entire series of Legend of Korra on Blu-ray isn't an investment. Despite the obvious awesomeness of the show.

Discretionary spending, which accounts for everything from entertainment to vacationing, represents 40% of the college student's budget (source). Surprise, surprise; you can save serious bucks by cutting down on how much you spend on fun.

College campuses are a hub of free events and activities, so why don't you take advantage of those? You'll probably miss that scene once you graduate. We know we miss it. 

You can also take advantage of the communal nature of the college experience to save some cash here and there. Buy group tickets. Eat family-style meals. Make your housemates chip in for those Cheetos of yours they're always eating when you're not home.

College might be the last time in your life that it is completely acceptable to be broke, so while it's fun to rock out with your pockets out, you better look toward the future, Shmooper.