What does it mean to change residence three times?

This is a fortune-telling statement in feudal superstition.

Changing residence for the third time means that this person has to live in three places, which means that his life is always uncertain.

Generally speaking, the following sentences will be used together:

Six evils harm six relatives, and monks and Taoists can live in peace. Although parents punish others, their wives and children harm others.

The official of death changed his residence three times, and his flesh and blood were severely punished, leaving the foreign grange.