Complex sentence: In the meantime, she works at the retirement home that houses Mary's mother, Pearl, her actions there causing Pearl to be expelled from the home; thus she inconveniences Mary and Bobbo who must now care for her.
Split into simpler sentences: In the meantime, she works at the retirement home that houses Mary's mother, Pearl. Her actions there cause Pearl to be expelled from the home, thus inconveniencing Mary and Bobbo who must now care for her.