Adding fresh and unique content to your site regularly will boost your article marketing submission campaign and help its ranking. Don't forget that many visitors to your site are not visiting to buy something. Visitors are searching for information so the more precise and truthful you can be about whatever it is you are promoting the better. It is once they have entered your site where you have the chance to sell to them. It is important they understand why they are buying a product so this process is important. The last thing you want after making the sale is to return the money so by doing carrying out this process you lessen your chance of it happening.
If you continue your article marketing this way you can expect a profitable future; however, it does require regular submission of articles because it is not a 'one off' process. Another benefit is quality websites (like yours will be) have other websites link to them and use their content as well; having your articles on numerous sites just improves the exposure of your site. Article marketing is still by far the easiest way to drive traffic to your website and it doesn't cost a cent; with relevant, quality unique articles, visitors will keep returning.