What Marketing Words Can I Use To Impressive Customers And Make A Killing Online

Many people today are looking to use instant sales letters to make more money online. The problem is that so many marketers are selling the exact same products and there is very little competition on a given topic. I have been in the ecommerce business since over 4 years now and I still struggle with selling the same old products. So what marketing words can I use to instantly increase sales for my business?