Potted plants, fish tanks, sofas. Usually three months. Sure, I felt it for a few days. Of course, if the house itself has too many shortcomings, it is difficult to feel this rush. Therefore, not every house can be either rich or expensive after conditioning. Sometimes it is more about promoting good luck, so that the balance between good luck and bad luck will not be fierce. If the room itself is relatively rich, then the conditional effect will be obvious.
Of course, it depends on whether you can meet a real teacher.
The above is my personal opinion. Not so good.