One of the most impactful (and simple) lessons I learned studying finance was understanding how to make your money work for you. If you’ve ever thought about investing, in whichever form (stocks, bonds, gold, etc), you already understand this concept. You’re throwing your money at something, in hopes to get a certain return on it, so that you have more money than previously. The only thing you're doing to earn that return is giving up the option to spend that money right now. Different i...