I came across this free book but I can't link right to the page.
Go to: http://www.leviton.com/
Click Tech Support on the left side
Under training click on contractor connection
Click on programs & promotions
Click on contractor marketing handbook
It's $2 for shipping. I got a copy last week. It not the answer to all you questions or problems but it's got some good advice. I would not pay the sugested price but for $2 you can't go wrong.