What's the point of hanging a coin in a secluded house? What are the benefits?

Counting five emperors' money, as long as it belongs to those five dynasties. As for whether it is necessary for all five generations, it is not very particular. It's just that more people are asking for trouble, which has become a routine. The backer upstairs is more like a haunted house, which is not a bad problem. The main problem is the loss of money. In Yangzhai, money will be thrown at the tuyere, but the end of a building is usually the tuyere, and the order is generally from old to new, hanging horizontally on the wall or covering the ground with something.