I only know that the place where the god of wealth is worshipped should be clean and bright (it is best to light an ever-burning lamp. It is said that the god of wealth doesn't like darkness. The offerings should be sweet wine, candy, fruit, fragrant flowers, and avoid meat (some people think that the three sacrifices are wrong. First, because God has the virtue of being good at living, he will not approve of killing and supporting; Second, imagine that immortals eat nectar and jade, how can they like our bloody food. So that's just what we mortals think); It is best to use yellow incense, which indicates harvest and wealth; The God of Wealth can't face the door, but Wu Caishen can.
As for the layout of Feng Shui, I don't understand, and the layout of Feng Shui is not in a few words. I suggest inviting feng shui master to visit our house.