VA for ebay and shopify dropshipping,title optimization,product research and listing.should be able to use email marketing

I have a ebay store and a shopify store. I need VA to manage the stores with title optimization,do product research using a few softwares like ZIK, research on facebook and other media,and list them on to the [login to view URL] should be knowledgeable with email marketing,sales, returns and refunds and should be able to answer customer queries.