[SNIP] We’ve spent a lot of time talking about the obvious costs of college: tuition, housing, food, etc. We’ve also looked at a few less obvious costs, like interest on student loans. But there are indirect costs, as well: opportunity costs. “Opportunity cost” is an economic phrase. Simply put, it’s the cost you incur by doing one thing rather than another. Because our time and money are finite, everything we buy or do prevents us from buying or doing something else. If you take a year off to backpack across Europe, you’re not just losing the money you spend on...