Trade Net

I would like to develop a trade net, which supposed to have Staff profile >> admin to allow/denny >> categories/modules administration of Members/Suppliers/Manufactures...n no of categories, n no of sub categories Add/edit profiles >> validity/date search product catalogs >> deatils >> enquiry product list >> enquiry search members >> profile page creditcard transaction for membership fee auto email upon end of valid date / one week b4 articles upload> add/edit/delete/validity date profile and products 5 diff templates design admin >> change logo,auto email add, color,font,company name etc.. CONVERSION TOOL sample documents >> templates Trade abbrivations page> add/edit/delete items Discussion Forum >. with auto email job listing >> apply online useful links >> add/edit/delete items events >> add/edit/delete items News >> add/edit/delete items advt module other content pages template > must be able to add/edit links for these pages from admin View Sell & buy Leads mass mail >. template, search by keyword,category+sub category emails and use >> approve >> send email WYSIWYG editor for all Some sample websites [login to view URL] [login to view URL] if you need any more info pls BMP