Do You Know How to Write a Sales Pitch?

I've always kind of felt like you've got to give people the ability to make your sales pitch for you after they've read the thing. It's a great way to write copies. And it's also a great test, you know, you say, ok, tell me why i should buy this. You know, if they give your argument very logically and coherently and compellinglyoh, ye, i did my job. But if they just sort of say, i don't know, itit just sort of sounded good and it col make me a lot of money, e whatever. Im not have something to do with selling stage stamps or something else. Isn't that polem