01. We need a UI facelift which will enhance it's design & usability.
02. We need to have a better landing page which will navigate users to subpages which are the actual revenue generating pages.
03. Site's navigation, page titles & URLs and also the breadcrumbs.
04. Some security issues need to be addressed.
8 freelancers are bidding on average $305 for this job
we are experts in doing php projects, have vast experience of php ,mysql,ajax. site can be delivered within maximum 20 days . I went through your requirements carefully and they seems to be manageable