Before you read anything else, the first thing that you need to understand is that proposals can be a huge waste of time for you and for your prospect. If they are not created the right way, and if the proper foundation hasn't been built, then you'll be spinning your wheels. Most proposals have a 25% win rate. If done right, your rate should jump to 60% _ 80%.
Working from this generally outline, you can then break down the overall content into smaller articles that are easily digestible by readers. These can then fit into the various boxes and subheadings of the newsletter templates, for an attractive visual layout. It's recommended to break this information down into even smaller bits and pieces, including the use of bullet points and smaller boxes of facts and figures. Graphical information is helpful for business newsletters or the illustration of sales figures. These are just a few of the ways to show your message in an appealing way, which is helped along with the use of the templates.