UPC refers to the string of numbers below barcodes appearing on products of purchase. The numbers are very important to Amazon sellers as all the items that are listed on the marketplace have their definite numbers associated with them. Most of the products in stores now have UPC codes provided by their individual product manufacturers. The product manufacturers require sourcing these barcodes and symbols before they can stamp them on the products. Any business that wishes to sell wares to huge retailers for resale wants to have a universal code. It is a striped black and white recognition tag that appears on all kinds of products from toys, electronics and even food stuffs. The numbers make it extremely effortless to track products in inventory systems and are used in all parts of the globe. There are five tips for getting UPC codes for your Amazon product Order Your Barcodes The numbers that are found within the bar codes are known as GSI recognition keys. ...