1. Heaven Luck : With which you are born i.e. your Destiny. You can not change it.
2. Human Luck: Which is the result of your good or bad deeds or Karma. Uses of astrological Gem Stones come under this category.
3. Earth Luck: This luck is governed by your house or your office or the place where you live and the surrounding, i.e. Vastu or Feng Shui of your place.
If you balance your Human Luck by doing good deeds and the Earth Luck by using the techniques like Vastu Shastra and Feng Shui, the severity of the suffering during crucial days of your Heaven Luck definitely reduces. Astrologically if you are going through a bad phase and if you are living in a 30%-40 % defective house as per Vastu Shastra or Feng Shui, you may have 100% obstacles, but if you are living in a good house as per Vastu Shastra or Feng Shui, you may have an easy life.
Main entrance is the mouth of a house which brings in main energyAvoid the house which has a door facing South West. It brings in only struggle in one's life. .