“Can I buy a magic sword?” This is a question that seems straightforward, but is actually fraught with follow-on implications that are not obvious. It is also one that’s asked at some point in any D&D campaign. You might be thinking, as GM, that you’re making a choice about the setting of your campaign (is this a high-magic or low-magic world, a desert island, a major trade city, etc). While you are making this decision, you’re also deciding (perhaps without knowing) what money is i...