Real estate advertising services; Real estate auctions; Real estate marketing analysis; Real estate marketing services; Real estate marketing services, namely, on-line services featuring tours of residential and commercial real estate; Real estate sales management; Advertising of commercial or residential real estate; Matching consumers with real estate professionals in the field of real estate services via computer network; Matching consumers with professionals in the field of mortgages, home inspections, lawn services, pool services, insurance, construction, roofing, plumbing, electrical services, water purification services, title services, and legal services; Membership club services providing discounts to members on real estate commissions and mortgage fees; Negotiation and renegotiation for others of leases and subleases and real estate purchase agreements; Providing real estate leads for prospective purchasers; Providing an interactive real estate website which promotes housing and apartment properties through offering prospective tenants video walk throughs, property descriptions, text, price, location, maps and other information that would be influential to a prospective tenant in making a rental decision; Providing marketing solutions for real estate, mortgage, construction, insurance, and title services professionals; Providing sales leads for the real estate, mortgage, construction, insurance, and title services industry