The Most Important Thing About Writing a Persuasive Sales Letter So you want to write a persuasive letter. Let's discuss how to do this.The most important thing you need to know doesn�t have anything to do with writing though. Persuasion relies on understanding human nature, not eloquence.Think of the most successful salespeople you know. Do they strike you as eloquent? Perhaps. But probably not.A persuasive letter doesn�t need to be a finely crafted literary masterpiece. But it does need to do something very important - - stir deep feelings within the person it's written to.But how to do this? Well � first you need to do a little homework. Fact-finding homework!Copywriter Gary Halbert gives a priceless tidbit in one of his newsletters every writer of sales copy needs to know. He says that when it comes to sales copy, most people pay attention to the writing part � while neglecting to gather all the facts about what they�re selling first.A persuasive letter begins with fact ... Read more »