How far is the tree from the door in Feng Shui?

The master of metaphysics, Shanghai Shenyi, told me that 30 meters away from the gate of the big tree basically has no effect on the house. Moreover, Wang Zhenren said that not all the big trees are broken at the door. He saw a big tree in front of the general manager of a chain store. Tell this customer that your business should be very good! A: Really!