As an affiliate, have you ever out of frustration wondered why your sales don't reflect the effort you're putting out? Chances are one of THE biggest mistakes you're making is that you're using the same standard banners, classifieds and articles that everyone else uses to promote their products and services. Separate yourself from the millions of others by simple being unique. arketers call it "Unique Selling Proposition" or USP. But then... How can you be unique? 1. Write Your Own Ads P.