Help selling on Amazon

General information for the website: Amazon Description of every page/module: We sell sportswear across several websites successfully. We have now moved into Amazon and need expert help to continue our set up and sell through. Specifically the job of assigning new UPC codes to our growing list of skus. We are also looking for general advise on optimising our selling channel for maximum revenue and visibility on Amazon. Description of requirements/features: We sell sportswear across several websites successfully. We have now moved into Amazon and need expert help to continue our set up and sell through. Specifically the job of assigning new UPC codes to our growing list of skus. We are also looking for general advise on optimising our selling channel for maximum revenue and visibility on Amazon. CMS and Admin requirements: We sell sportswear across several websites successfully. We have now moved into Amazon and need expert help to continue our set up and sell through. Specifically the job of assigning new UPC codes to our growing list of skus. We are also looking for general advise on optimising our selling channel for maximum revenue and visibility on Amazon. Extra notes: