Hello,
Thanks for posting project i have very good knowledge of various type of shopping cart product management and Markert place website like Ebay,Amazon,aliexpress,alibaba,Sears,Solid commerce,Swift,Cdiscount,overstock, Volusion,Magento,Shopify,Big commerce,wordpress,Pretashop,Opencart,i am also working on accounting softwares like Unleashed,Xero,Saleforce with web research and internet research i will do following methods for product uploading and management.
1) Research the product information from manufacturer website and google.
2) Create unique SEO friendly product description,specification,Features,Meta titles,meta description and meta keywords.
3) Create HTML and CSS design for each single product and matching there price.
4) Upload these product design in shopping cart with there high size images and price.
5) Also create the product options like colour,Size and other options.
I am also expert in Photoshop and HTML and i am also working on social media marketing and posting content to Facebook and Twitter fan page management so if you select my profile i am sure you will get very good results from me if you need any more information from me i am available on Freelancer 24 X 7.
Thanks
Reshma