If you're looking to increase your impact and your income, you have to be good at having sales ("service") conversations with prospective clients. This means making them comfortable with you, getting them to understand them the value of what you are offering, and addressing concerns and other barriers to them saying "yes" (as long as it's a good fit).
This should not be left to "luck" or "winging it" during your service coversation. It needs to be outlined, practiced, tweaked, and practiced more. Read some tips today for doing this well, then hope to see some comments on what you implemented and the results to inspire others.