Build a price comparison site

Hi , I am looking to build a comparison site for Indian Online Shopping Stores. A sample example [login to view URL] Some of its features are as under: This must have automatic Product, Price update feature and Affiliate url redirect PHP template based design. Featured products on homepage. Featured brands on homepage. Search tag cloud. Recent searches on the website. Product rating Compare products by feature. Compare prices for a product. Social networking support (website's page on Facebook, twitter, linked In, etc). Social networking share on all products in listings and on product page. Facebook login and register. Improved SEO URLs. Search engine friendly pages. Add unlimited categories/products/merchants/prices Automatic import of datafeeds/CSV/XML files Automatic products addition Automatic import of products from CJ/linkshare/shopzilla/icecat/amazon/Ebay using XML api Automatic crawl of websites to gather data. Auto-Crawler, for crawling merchants' websites to get products and prices (It is useful if a particular merchant dont support datafeeds) Automatic sitemap generator as well as google sitemap generator. Automatic keywords, page titles, meta tags generator. Custom Meta tags and page titles. Custom Content Management System (CMS) from where you can edit text, add images, add links and edit meta tags. W3C compliant homepage. HTML sitemap, TEXT sitemap as well as Google sitemap. Automatic thumbnail generation using GD or imagemagick. Spam blocking features to prevent spam on your site. Google Analytics feature Minified css and js files. Used sprites and css images wherever possible. Data Feed Import, for importing products from any affiliate data feed and automatically creating products. Supports virtually every format of datafeeds. Banner management (Google ad sense banners supported). Currency management. Multiple currencies supported. I already have the Domain, hosing plan and site logo You want more Informations, please send me one Email.