What is NOT a challenging business? If you can name 3 or 4 easy ones I will change professions! I hear being a dermatologist is easy if you can get thru med sch

What is NOT a challenging business? If you can name 3 or 4 easy ones I will change professions! I hear being a dermatologist is easy if you can get thru med school, and get the specialty. But for that you only need to spend 15 years working really hard!