postage rates next day delivery refers to the cost of shipping packages for next-day delivery, which is one of the fastest shipping options available. Next-day delivery services, such as those provided by UPS, FedEx, and USPS, offer guaranteed delivery within 24 hours of dispatch, but they often come with higher shipping fees. E-commerce businesses that offer next-day delivery must account for these increased costs when setting pricing for their products. While next-day delivery provides customers with a quick and convenient shipping option, it’s important for businesses to balance the cost of expedited shipping with the need to offer affordable and competitive prices.