There are so many templates. You can write a simple letter. Or make a proposal for your work. The graphics are great and so easy to insert. With options like text boxes and the ability to add photos, everyone can turn out professional looking documents using Microsoft Word templates.
Guide them through how you are going to solve their problem. Once you've reiterated their pain, show them how you are going to relieve them of that pain. This does not mean that you should start spouting off the tools that you are going to use. Rather, you should be outline the results your client will see when working with you. Show them how you are going to meet their goals and expectations. Explain to them what metrics you will use to determine success. Let them know that you have their best interest in mind and that you know what you are doing. Now, you'll notice that there is no mention of price. That's because price doesn't matter. What truly matters to a prospect is the value that you offer and the relationship that you have built.