Well, it's a matter of knowing a few people most of the time; a few agents you can 'trust', and then a small pool of returning clients who'll ask you to do stuff once a year or so...
The networking is always important, even as an employee -- always brush up your network, it might save your ass next time there is a shakeup at the company you work for, and might also give you the occasion to slam the door and move on if necessary.
I think there is nothing worse in life than waking up realizing you have to go to work to a job you hate, with people who are beepheads for a product that is a failure and going to the wall.... while knowing you don't have the freedom to just go.
