I just bought a house and want to see the feng shui of the new house with a master. It is said that the compass used in Yin House cannot be used to see the geomantic omen in Yang House. Is that so?

The common way to lower the plate in rural areas is to put a red envelope with rice in the bowl and then lower the compass. What is the reason for it? The 3-inch meter is to increase the accuracy of the compass, because it is not susceptible to magnetism. What is a red envelope? Traditionally, you can't see red envelopes under the compass. The host family will be forced to retire for three years, so they will let one go symbolically. Finally, according to the Feng Shui master's judgment on service technology and the master's satisfaction, he will pay some hard work to express his gratitude.