A full warehouse doesn’t always mean available inventory Your warehouse looks full. Pallets stacked, racks loaded, floor lanes choked with product. And yet someone just told you they can't fill an order because the item is showing zero on hand. Both things are true at the same time. That's the part that makes operators crazy. What's usually happening is a location problem, not a quantity problem. The units exist. They're just sitting somewhere the system doesn't expect them —

Safety stock keeps orders moving when deliveries don't Most safety stock calculations assume your lead time data is telling the truth. It isn't. If you've been in replenishment for more than a year, you already know this. The number in your system is whatever someone typed in during setup, maybe updated once, and now it sits there like a fact while your actual supplier delivers anywhere from 6 to 14 days depending on the week, the carrier, the weather, and what else is going