Apartment Rental; flat rental; house rental; rent collection; rent collection services; appraisal of real estate; brokerage of real estate; evaluation of real estate; providing real estate information; real estate affairs; real estate agency services; real estate consultancy; real estate insurance information; real estate valuation; providing real estate listings and real estate information via a website; acquisition of real estate for others; real estate multiple listing services; real estate agency services for the rental of property; providing real estate listings and real estate information via a computer database; arranging of leases and rental agreements for real estate; financial consultancy in the field of real estate note brokerage; financial affairs, monetary affairs and real estate affairs; financial evaluation services for insurance, banking and real estate purposes; financial valuation of personal property and real estate; insurance, financial affairs, monetary affairs and real estate affairs; providing information in the field of real estate via the Internet; providing information relating to real estate affairs via the Internet; rental of flats, houses, commercial premises and offices; providing real estate information relating to property and land; leasing of apartments; financial transactions; monetary transactions; conducting cashless payment transactions; electronic credit card transactions