Best advice I can give to someone going into this business for themselves?
Be good at what you do, be fair, and be reliable.
If you don't stand behind what you do, you will soon be doing nothing.
And remember this: You are broke! You have no money! I don't care what your balance says, you are broke!
Pay your bills as soon as they arrive. Smile. Spend AT LEAST 5 hours per week studying the latest trends in the business. Find out the part of all this you are best at, and do that.
There are all kinds of people doing really neat things with computers.
My job is keep their machines in such a state as to be able to keep doing it.
Your job may end up different. But if I tried to learn how to use all the stuff in all those programs, I would go insane (short trip, anyway) pretty quickly.
So I focus on hardware and operating systems.
I have been told by techs who have been in the business longer than myself that I am a gifted troubleshooter.
At any rate, know your strengths, and your weaknesses. Be honest with your customers, and unflinchingly honest with yourself.
HTH,
http://www.thecomputermechanic.com