35 Business investigations; business acquisitions consultation; providing an interactive web site which promotes housing, residential properties and commercial 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; advertising and marketing the residential and commercial properties of others; negotiation and renegotiation for others of leases and subleases; negotiation for others of agreements for the sale and purchase of real estate