More Risky: 1) Farming, 2) Trading?
Good question. My brother is a Captain for Southwest Airlines, but he rarely flies during the summer, because he is so busy with crops and cows. He is possibly the strongest (psychologically) person I have ever known, but I have seen nothing but exhaustion the last few years. Don't worry, he takes a couple of days of rest before he flies, but I help him out sometimes, and I think he's nuts. The endless amount of work is insane. When you first get into it, the unanticipated machinery maintenance is overwhelming. That's when he needs the most help from me. I don't mind helping, but I could never do it full time.