Karen McTavish says if she does not want to do something she says the charge will be $1,600 to do it. What she was trying to tell us in class is that there are things she does not want to do unless the money is substantial. She also said not to undercharge for your time and effort. You end up hurting yourself and others.
Some have $$ per hour for such work (if you even choose to do it). Have a written list to pass out to make sure your clients are fully informed ahead of time. Lots of examples on the web from long arm services.