Aggregator website for daily deals

I am looking to develop a website which aggregates all the deals from various websites. Please see a high level overview of the architecture and functionality. 1. On an automated schedule basis, pull and display all deals and details from deal sites. ( Eg. [login to view URL] ) 2. Filter content based on city , time remaining , deals partner website etc and a few more 3. Affiliate link be attached to deals - session tracking 4. User friendly Admin console with functionality ( not very complex) 5. Automated emails to members 6. User sign-up The usual pages like sign-up/register , cities , about us , contact I will provide the domain ,web hosting etc. Please provide details of any similar work accomplished that will help me evaluate