Marketing/Sales expert, who knows good sales language (English)

Greetings Everyone.. I have a website where I sales software. It's a new site, (not even fully launched). Now I am going to launch if fully.. I am from Bangladesh, I Know formal English, but my knowledge for sales English language is too low. so, I Need an sales and marketing expert who is also very good at professional sales language. Requirements: 1. You must know how to use good sales language that will appeal to potential customers. 2. You must used to the way the language is used for selling. 3. Available to chat on Skype and must reply ASAP when I needed What you need to do: 1. First step, you need to check thoroughly all my software help documentation and re-write it to better sales language 2. You need to re-write all my software’s message/caption/labels (I will provide) 3. And most important, you need to work on my website to change all the pages text to better and professional sales language. 4. You must be hard working guy, because fast turnaround is most important if you do good job, then you will be my permanent partner :) thanks in advance best regards