by Sherron Lumley. When a business has more money coming in than going out, that’s positive cash flow. Ideally, this is the zone in which a small business could operate forever, like a perpetual motion machine. Even though understanding cash flow seems simple, the day-to-day reality of it can cause mayhem. What to do when a customer payment is in the pipeline for next month, but employees must be paid on Friday, raw materials purchased next week, and the electricity bill taken care of by...