Sales letters require certain elements that help convince a customer to invest in a product or service. In this article, we provide a stepbystep guide to help you write an effective letter to sell a product with a template, sample and tips.Looking to boost sales and build customer relationships? Learn how to create the perfect sales pitch with these examples and templates. The 12-step sales letter template is designed to overcome each of these objections in a careful, methodical series of copywriting tactics. Copies of 59 of the greatest sales letters ever written. Plus 41 more sample marketing letters you can steal. Have you ever tried (or been tasked with) writing a sales letter? For each example, I'm going to deconstruct exactly what made it so effective, then tell you how to apply it in your funnel. You can also promise to follow-up this letter with a personal meeting to take the sales-pitch to the next level.