The Question and Answer section for The Glass Castle is a great resource to ask questions, find answers, and discuss the novel.
Rose Mary took a job as a teacher in Battle Creek.
She applied for a job and was hired right away, since she had a degree, and there were never enough teachers in Battle Mountain.
Rex would always move the family whenever something went wrong with his job or his perception of the government out to get him.
This is a simile that speaks to to the children not having shoes. Their feet were used to rough treatment.