how to ship something overnight refers to the process of sending a package to a destination within 24 hours using expedited shipping services. Many major carriers, including USPS, UPS, and FedEx, offer overnight shipping options, such as USPS Priority Mail Express, UPS Next Day Air, and FedEx Overnight. To ship something overnight, you need to choose the appropriate shipping service, prepare the package, and drop it off at the carrier’s location. Ensure that the shipment is processed before the cutoff time to guarantee delivery by the next day. This option is ideal for urgent shipments that require fast delivery.