You know your revenue number. You probably know your burn rate too. But ask yourself this: when did you last actually understand why your margins moved last quarter? Most founders run their business off a P&L they glance at once a month and a gut feeling the rest of the time. That's not a criticism — it's just what happens when you're wearing ten hats and finance isn't the one you trained for. The problem is, by the time the numbers force you to pay attention, you're usually