Make a price comparison site and retrieve information directly from amazon, flipkart and snapdeal -- 3

Hello, I am looking to build a price comparison site with affiliate integration like [login to view URL], Which retrieve price and all other information from sites like [login to view URL], Flipkart and Snapdeal and any other sites. It should have all the features of the site [login to view URL], If it's WordPress theme, better. And i should be able to edit each post, like a mobile phone and edit information for everywhere. Also, If i add the links for [login to view URL], snapdeal and flipkart, It should automatically add my affiliate id in the URL. See: [login to view URL] i should be able to edit all things displays there. Another Example : [login to view URL]