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.