ebay competitor items research spy tool

Avg Bid (USD)
Project Budget (USD)
$250 - $750

Project Description:
I want someone to develop ebay research tool.
Main feature is to spy many competitor's sold/listing items by 1 click.
User can create seller's list as group by adding seller's ID or importing file to my list and save/load it in app.

_import csv,txt file to seller list
_sort list by tittle, price, number of items, total price, date, bids.
_check both sold/listing items.
_save list as my list in App
_save result as csv, pdf
_support ebay.com,uk,fr,de,it,hk
_user password setting

I found similar product I want at here:

Skills required:
.NET, C# Programming, Visual Basic, Web Scraping
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