Final answer:
In 'Rain Reign', Rose's father occasionally works as a mechanic at Gar's but doesn't maintain consistent employment.
Step-by-step explanation:
In the book Rain Reign by Ann M. Martin, Rose's father works occasionally as a mechanic at Gar's. He is not consistently employed there, but he does take on work from time to time when it is available. Rose, the protagonist of the story, has a father who seems to struggle with maintaining steady employment, which is part of the challenges they face in their family life.