Have an Answer?
You are looking at obtaining a bachelors, masters and doctorate degree to begin with.
As for you related questions, I fail to find any relationship
At this time I urge you to go to a public library and (if they allow it) and check out use there a book entitled, "Occupational outlook Handbook." You'll be surprised how many of your related questions will be answer. Afterwards, writ me with more specific questions and we'll go from there.