If you are a manufacturer or a supplier, you know that every dollar counts. When you pay for a premium shipping service, like "Next Day Air," you aren't just paying for the transport; you are paying for a promise. When a carrier like UPS or FedEx misses that window by even a minute, they have broken that promise. Naturally, you want your money back. Learning how to claim shipping refunds is an essential part of basic logistics hygiene. However, there is a common mistake here.