For what type of job did Paul Jobs go to night school?

Paul Jobs better known as Steve Jobs' father attended night school to become a real state agent.

Explanation:

Paul Jobs was a mechanic and he was very good at it. However, when they moved to California. He also dabbled in the car retail sales business. Buying broken cars and fixing them to sell them for a quick buck. Then, after they moved to California a neighbor told them about the real state agent business and he enrolled a school to learn about it. He finished and dabbled in the business however when the market crisis arrived his wife had to take a job and he had to return to work as a mechanic.