The sales letter format should emphasize key points while maintaining simplicity. Do not repel the customers or clients. Have normal spacing between lines and the contents just right so that the reader does not feel over_burdened reading your letter. Get the reader to feel as if he is invaluable to you and your company. The pronoun "you" in place of "we" instills a sense of warmth in the reader, drawing them closer to your business.
They can be job seekers' ticket to land a job. It will dramatically increase their chances of getting interviewed. With the correct format, their efforts will eventually pay off once they have opted for a job interview. However, one of the biggest mistakes of creating one is that people tend to copy on the Internet. Some of them are looking into others' letters on the Internet and make it their own. With a little bit of editing, they can be able to pass it. Companies nowadays are aware of that scheme, so people should take effort in deciding whether they will copy on the Internet or they will create their own, unique and compelling letter.