Too many exclamation points. We don't identify ourselves in the ad. Any scam artist can register a fictitious business name, and they're easy to hide behind. You should have a phone number, address, and whenever possible a fax number. You must do everything you can to show your credentials, because that helps to build credibility.
Testimonials are a great way to gain credibility.
Even the weakest of testimonials can make a dramatic difference in your sales. Lots of people miss this point. I hope these tips have been of use to you. If you put these concepts into action in your online marketing, you should easily be able to increase your sales. Run your classified ad in one issue of The whatUseek Weekly Ezine.