Barcodes are a crucial tool for streamlining the checkout process by reducing errors and speeding up transactions. When products are labeled with barcodes, the cashier can simply scan the barcode with a handheld scanner, and the price, as well as additional product information, will be automatically entered into the point-of-sale system. This process prevents errors that can come with manual data entry, such as the misinterpretation of prices or product names, which can cause longer lines and frustrated customers. Speed is a key factor in checkout lines, and barcodes allow for quicker transactions by eliminating the need to manually input information, enabling a more efficient and faster checkout experience for customers. Additionally, barcodes allow for better inventory tracking and management, making it easier for businesses to manage inventory levels, pricing, and restocking.