This method is based on observation. There are 2 schools; form or known as observation and compass or known as calculation. One could not do without the other. It is best use in combination.
Door open to a broken house門前有破屋：Ominous house凶宅
If you open your main door to a deserted house, you maybe subjected to weird happenings, loss of wealth, sickness and litigation.
Consider: An empty house could be the target of people seeking shelter who are homeless, poor, hideout for illegal activities. These people may cause you disturbance in life from littering, dumping, noises, vandalizing, crimes, frequent police check and so on.
If you like to know more or engage our services. Please email us at firstname.lastname@example.org