The “Ghost Space” tax is one of the most expensive tricks hidden inside many 3rd party fulfillment services. A low $15 pallet rate looks attractive on the surface, but the real damage shows up when you are billed for half empty pallets, maximum monthly counts, and unnecessary handling fees. This article breaks down how these storage models quietly drain your margins and why a cubic volume plus daily proration model is far more accurate. If you want 3rd party fulfillment services that protect your inventory control and your profit, you need pricing built around the space you actually use.