They only co-mingle the same item. Usually we hear about co-mingling when someone lists their counterfeits as real items, but if you create your own "product" w

They only co-mingle the same item. Usually we hear about co-mingling when someone lists their counterfeits as real items, but if you create your own "product" with its own SKU and UPC code that isn't the same as existing products, it won't get co-mingled.