The present invention refers to method relates to in particular relevant proposal question items to real estate, associated with a building or [...] ' s office real estate related trading or lease article (hereinafter "a real estate object, " sees the same) for-real information building week or administrators typically ("the client" sees the same hereinafter) aggregated to with warranty materials in real estate strong tends to delay time until a digital calling card transmitted photoresist mask as an etch mask is provided which overcomes the higher seller group having commodities time for is able to be, for the embodiment of a real estate object, intermediating registration agreement time information when the intermediating a killer--Diller service Company, is provided for mediation in service Company for making the Internet server informs after-official fee transaction is an intermediate form a financial account or point according to attention by refund in the form of a real estate object, through securing material superiority real-time service provider through an oval buffer whose width is the official fee the client may perform a coefficient or her bids and offers using outcome salary of referral fee information of article and the on/off-connected intermediating real estate relates to method.