Sometimes, you may have Amazon SKU different than you have it in other marketplaces.
- Go to Master.GeekSeller.com and download a list of your products from the Tools section.
- Upload back a file with two columns, one SKU, and the other Amazon_sku
- Upload the file back via Tools. You just linked your Amazon SKUs to products that exist on your other marketplaces under different SKUs listed in the column SKU.