Advertising real property for rent/sale by others via the Internet; providing consumer information and consumer business advice in the field of home buying via the Internet; providing real estate rental and leasing information guides and directories via a global computer network; providing an advertising medium for apartment owners and managers; advertising real estate properties for rental over the Internet, mobile devices and wireless communications devices; promotional services, namely, promoting the goods of others by providing prospective apartment shoppers and renters with a website containing a directory of apartments, condos and homes for rent or lease featuring text and photographic information over the Internet concerning the availability, price, location and description of residential real property of others to prospective renters; providing advertising space online or in a directory that allows owners and managers of residential real property to promote their housing and apartment properties through offering prospective tenants video walk-throughs, property descriptions, price, availability, location, maps and other information that would be influential to a prospective tenant in making a rental decision; developing property management community websites for others