Problem is, instructing just doesn't pay. May be fun for a bit, as a weekend style thing but there just isn't the money in it unless you go commercial.
Alas I also feel once you go past a certain number of hours it isn't of any benefit.In fact quite the reverse was what I found.
The old way of moving through the ranks has almost disappeared. I went C152, Citation, BAe146, B757 and felt that was an ideal progression at the time. Sadly if I was starting out today, pragmatically, unless I could get in a/ the military b/ BA FPP I'd forget it really.