456647 FreebieJeebies clone

hello i am planning on making a site similar to [login to view URL] i want the site to look good so i can convince major companies to pay me to advertise for them i need a basic CMS so i can add/remove offers add/remove gifts and moderate the site such as users etc a support page etc if this could be done i would need to no how long it will take please feel free to add other stuff you feel would make the site more of a success but be aware i might ask for it to be removed. most of the site i just want to be a clone so shouldnt be too hard thanks greatfully Brad Andrews p.s I am willing to up the budget if NEEDED but will need a reason