2, the house should not face the floor seam. Architecturally, two tall buildings are adjacent with a narrow gap in the middle. After the seam, there are no buildings to block each other, forming a natural disaster. If a person's house is faced with natural disasters, it is easy to have bad luck and damage health.
3. Avoid staying in a house that used to have a special purpose. Special use means that this house was once used as a taboo industry for ordinary people, such as mortuary, prison, altar, slaughterhouse, lewd place, septic tank and so on, because these uses will leave some bad breath in the house more or less.