Cross listing from eBay to Poshmark

I am looking to hire someone to cross list all of my ebay listing to poshmark, and possibly other sites if goes well, and delete listings from postmark if they sell on ebay. Usually keep around 1000 listing live at the same time. Need someone who will be able to copy and paste the pictures and descriptions from ebay to poshmark, and also delete them if they sell on ebay. preferably someone with experience and can do this swiftly. When you reply to this job request, please put the phrase Oranges are Blue in the subject matter or you will not be considered.