autos, real estate, jobs etc website for US Market

I want to develop a big website listing/advertising autos, real estate, jobs, and other general information and advertising, services (restaurant booking etc) website. Research some American websites like [login to view URL] and similar real estate selling websites Project must be modular basis (please provide how you will develop it in a very very well planned in step by step, since this is) and development time can be flexible. This is an American website so developer must have some similar experience in the American market (some previous work/profile needed) A real good front and back end. Way of receiving payments online. Front end must be easy and very attractive and easy to use. Backend must be strong, stable, tested and easy to maintain. Existing market backend technologies may be used. Project may be ongoing basis. MOST INNOVATIVE AND CREATIVE BID WILL BE ENTERTAINED