Demand tells you what customers want—and when they want it When the waiter promises something the kitchen can't deliver, the customer leaves angry and doesn't come back. That's not a hospitality metaphor. That's a warehouse Tuesday. Demand is fast, loud, and confident. It takes orders without checking with anyone. Supply is slower — it's physical, it lives on pallets and in slots, it has lead times and receiving windows and cycle count schedules. The problem is that most oper