real estate agency services; real estate services relating to the sale, purchase and leasing of real estate; real estate affairs; real estate investment services in the nature of purchasing and selling of real estate for others; brokerage of real estate; acquisition of real estate for others; real estate appraisal and valuation; property management; property portfolio management; real estate management of rental properties; real estate advisory services; providing advice relating to real estate investment; consultation services relating to real estate; provision of information relating to real estate