Point-of-sale systems can feel like background infrastructure, the kind of thing you stop thinking about once it works. The problem is that POS mistakes rarely announce themselves with alarms. They show up later as “mystery” shrink, inconsistent reports, refund fights with customers, or the slow drain of labor spent fixing preventable errors. I have seen the same patterns repeat across retail, restaurants, and service businesses: a small POS workflow decision that seems
Setting up taxes and modifiers in a POS sounds straightforward until you’re the one explaining why a customer paid $3 more than expected, or why your kitchen ticket shows the wrong tax basis. The configuration itself usually isn’t the hard part. The hard part is deciding what the POS should treat as taxable, what should be grouped together, how to handle rounding, and how modifier pricing should interact with tax rules. Over the years I’ve seen small configuration choice