what's the difference between an SKU and UPC

What’s the Difference Between an SKU and UPC? And Why it Matters

If you have an eCommerce business with an inventory that carries any products, you should have a SKU infrastructure in place. SKUs help to track a specific product, but do you know how they work behind the scenes? And what about a UPC? UPC, SKU, what’s even the difference?  In this post, we break down …

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