“Got a buck? you’re in luck!” This jingle was a staple for you ever since your parents started giving you an allowance. At the time, you got maybe $5 a week to spend or save as you pleased. Although this was a fortune as far as you were concerned, a fiver tends to evaporate quickly, and your snack options were limited. One of the few exceptions to this was McDonalds. For just a dollar and change you could get a double cheeseburger or even hot fudge sundaes. Fast forward 5 years. You’re paying a lot for college, so the Dollar...