Don’t ship to FBA without understanding this
What’s the difference between an FNSKU and a UPC? And why does Amazon care so much about this little barcode?In this episode, we break down the what, why, and how of Amazon FNSKUs—aka Fulfillment Network Stock Keeping Units. We explain what FNSKUs do, how they differ from manufacturer barcodes, and why Amazon requires them for most FBA sellers. Plus, we cover when to use Amazon barcodes vs. manufacturer barcodes, how to label your products correctly, and the common mistakes that trigger stranded inventory or delays.Ready to get Amazon logistics right from the start? Explore the complete Amazon seller toolkit at threecolts.com/seller-365.