<human>: Can you condense the text into three sentences or less?

I'm a college student working part time (~20 hr/wk) at a mom and pop Gamestop equivalent. Right now I'm making minimum wage doing trade-in and the general retail thing. The store in located in my hometown, which is about 25 miles from the college I'm attending. At my current pay, I'm barely making enough money to pay for gas and all my other bills. I know that I am an extremely valued employee based on my boss's words and actions, and I love my job and want to keep it; but in order to do so I really need a raise. If I could simply work more I would, but my course load prevents that. Whats the best way to ask for a raise so that I get the most pay without being rude or unthoughtful?
<bot>: How do ask for a raise in a way that doesn't offend my employer, but gets me a good bump up in pay?