What is one of the key benefits of using USPS flat rate shipping?

Using USPS flat rate shipping offers the significant advantage of eliminating the need for weighing packages. This means that regardless of the weight of the items being shipped, as long as they fit within the specified flat rate box or envelope, the customer pays a predetermined, fixed price. This simplifies the shipping process, as customers do not have to worry about determining the weight of their package and calculating the corresponding postage.

By providing a flat rate, USPS also gives customers clarity and predictability in shipping costs, making it easier to budget for shipping expenses, particularly for small businesses and frequent shippers. The straightforward pricing model is particularly beneficial for shipping items that are heavy but compact, as it can often result in cost savings compared to standard weight-based pricing.