Seeing your sister's house move in your dream may also symbolize that you need to make some changes yourself. Maybe you are tired of your present lifestyle and feel that it can't last any longer and you need some new experiences. This dream may remind you not to be afraid of change, because life is constantly changing. What you need to do is to accept this process and actively adjust your mentality and actions.
Therefore, it is a positive dream to dream that my sister's family will move. It may mean that you have a new understanding of change and transformation inside. Don't be afraid of change, trust your intuition and face the turning point and change in life with a positive attitude. Through the omens in your dreams, you can better face the future, lead yourself to find new opportunities and challenges, and realize your higher life value.