We known the fact that article submission can not be automated but the process can easily be taken out of your hands by using a good article submission service. Some of this article submission service can also be hired to write articles for you. All you need to do is provide them with keyword and density and they do the job for you.
Article submission service may always be helpful in bringing traffic to your web site along with search engine rankings. These services may post your articles to hundreds of article directories in a fraction of time. You can always save yourself around 95% of the time and energy if your distribute your work to these article submission service to handle tedious process for you.