Also, if there are weeds there, you would want to charge extra to remove them, charge by the hour because it will take longer than you think. After you get the feel of how long you think it will take, you can do a bid for weed removal. I have found it easier to charge by the hour. It is a PITA process..
Since you are new to this, chemicals are out of the question, you need to be licensed in your state to apply pesticides.
Here are some sites for pruning shrubs and stuff
Be careful when trimming-pruning bushes. If you cut too much off you will cut all of the green off, and others will not bloom.