C# asp.net Ebay auction database

We want to create a database and statistical analyses with asp.net ( C# ) which? stores all ebay auction data of an ebay seller. This system should save auction? screenshots as? jpeg and the related auction data ( date, price, sold / unsold, category, platform ... ) Ended auction data should be added automatically to the database. The coder should have experince in Ebay API? because the web based application should communicate with the Ebay API. ? ? ? ? ? ? ? ? ? - View of all sold and unsold items of a seller ? ? ? ? ? ? ? ? ? - Sales history? of all sold and unsold auctions ? ? ? ? ? ? ? ? ? - Creation of each item according to the same ebay auction headline - Every ... hour update of the sales history ? ? ? ? ? ? ? ? ? - Save of the auction site screenshots as jpeg or html? in the SQL Server database ? ? ? ? ? ? ? ? ? - Sorting of each headline ? ? ? ? ? ? ? ? ? - Creation of an item ranking ? ? ? ? ? ? ? ? ? - Charts and dashboards I have also added a Screenshot how the GUI should look like. ***The coder should have MSN messenger for better communication.