Dont know why you have two identical threads running at the same time.
How easy to convert? - Dont know, I've never flown a plank, but sift through some previous threads - there will be some advise there.
Jobs? - Job markets seems to be up and down like a whores drawers. Just have to strike it lucky or be very patient.
How easy to get into? - Take a trial lesson. It is that easy. Finding the cash for the rest of it is the hard part.
You might get a discount of up to 6 hours on the 45 hour requirment for a ppl. Dont know for a CPL. But getting a licence is not a race - it takes as long as you need.