Create a batch of outlines. They are easy to create especially when organizing them by subject matter. Start with a list of similar titles. Then list 3-5 sub-topics under each title.
Some writers find it easy to create one large list of sub-topics to be used interchangeably from article to article. Either method is a okay to generate a batch of outlines.
Secondly, when you start writing, keep it simple because articles should only be 300-500 words with 3-4 paragraphs at most.
Every sub-topic has to be a separate paragraph containing 3-5 sentences which are short, well structured to help you write with speed and produce high quality work.
You will gain a positive approach towards increasing your speed when you time yourself using a stop watch. In a very short period of time you will dramatically increase your writing speed simply through effort and diligence. As time goes on, you will be creating 3-4 articles per hour.
Finally, try to outsource some of your work to other ghostwriters who are abundant and cheap. At the same time, they will not compromise your quality.
Most of the battle is fought when you start with a good plan plus organization before beginning to write. By developing mini outlines, your writing speed will increase from which you will get the added bonus of high quality easy to read articles. You can also add to this some additional articles by a ghost writer after which you will create more articles than you ever thought were possible.