Create Amazon Listing Uploads from our Supplier Spreadsheets

We are a large internet retailer. We need to convert product spreadsheets from our suppliers to Amazon product spreadsheets to Amazon's exact specifics for upload to their system. Most of our suppliers are for clothing and so items must be created in the Amazon spreadsheet with multi-variation parent/child relationships. Most, but not all data is available from the supplier. Winning bidder will need to grab and create image path for the spreadsheet for each item and any other missing data. Please bid only if you have significant experience with this work, especially multi-variation items. We will pay in full upon successful upload and acceptance by Amazon, no incremental payments will be allowed or bids accepted. We have a great deal of work. We will break it down into 10,000 line (including parent and child) pieces of work. This may be 1000 different items or so. PLEASE BID ON TIME AND PRICE TO COMPLETE 10,000 LINES. Include detailed info on your experience with this specific type of work. WE WILL BE STRICT ON PRICE AND TIME SO BE CERTAIN TO ONLY SAY WHAT YOU CAN ACTUALLY DO.