Get into finantial trading. You'd just need to check it once or twice if at all, during those two hours. The rest of the suggestions are fine, but I think you

Get into finantial trading. You'd just need to check it once or twice if at all, during those two hours. The rest of the suggestions are fine, but I think you asked for ideas on how to make money, not how to save money. And I don't know of any other way that wouldn't require your full attention.