Build an online price comparison website Urgent

want to make a price comparison website similar to [login to view URL] or [login to view URL] Apart from the features in buyhatke, I want to add something unique which is not available in this site. If you are experienced in such projects, please bid here. Also suggest in your proposal whether you can provide any feature that should have been in buyhatke but is not there. There will be almost 25 websites to integrate for price comparison. Few of them have APIs and few may require scraping.