dr Peter,
I can't really add much to what others have said - do a search, read old threads, look at all the info that's here already.
However, you should know that this is not an industry for those who want a secure, reliable, wellpaid, pensionable job. You might be lucky and get one of those, but most likely you'll have to do anything that comes along for a few....months, years, who knows. Instructing is paid, and is fun, but if you don't fancy it, don't inflict yourself on the poor students who are paying for you to teach them.
That's about all I can offer right now. You do rather give the impression that this industry isn't for you, though I'm ready to be proved wrong.