As everyone's been saying there's no singular correct answer. I do agree about the networking; it's the one thing that keeps shining out as a 'must do' from all these forums.
I'm just starting out and I was actually given a lead last week by the company designing my website. They told me of a Virtual Concierge company whose website they'd designed in my area. They mentioned that she was really busy, almost getting to the stage of needing help herself with everything.
As soon as I got back home from my meeting I gave her a ring, introduced myself, told her I was starting up in business but didn't want to be her competition and was extending the hand of friendship. I also mentioned that I may want to use some of her services and that maybe I could help her. We're meeting in July!
Just something for others to think about - rather than being the 'enemy', how about looking on things in a bit more of a "you scratch my back and I'll scratch yours" kinda way?!