The author has been involved in the real estate business since 1998 (including real estate brokerage, buying and selling, assessing, rental, and property development). He is a realtor (IHK), real estate economist (ADI) and certified expert in real estate valuation (DEKRA) as well as a member of the internationally recognized real estate association of the Royal Institution of Chartered Surveyors (MRICS). Matthias Fiedler www.matthiasfiedler.net