A method and system for real estate marketing allows individuals from the general public to gain access to a real estate property that is placed for sale or lease for the purpose of inspection. The deck is supported by wheels and defines a pocket. It is thus possible to provide a piezoelectric resonator in which, even when noble metal layers are partially removed for increasing adhesion of surface protecting films, exciting electrodes are not brought into an open state between the upper side and the lower side of a piezoelectric resonator piece.