This approach tends to work better for articles that are jam packed with information and/or those that take a broad, aerial view of the topic, but it can also work with articles that are a close up view of one specific topic. For example, I've written many articles on how to create an effective resource box, and from that one very laser beamed topic I have branched off articles on extremely specific elements of that already specific topic. I assure you, no matter what your article is about, you can write about it more in depth in a new article.
There is a generic template that is available for all types of businesses. To make a business plan template, you need to modify the standard template that is suitable for your industry and business. The style of writing, the overall organization and the presentation of the ideas is what makes a good business plan template. Creating a template involves a significant amount of research, re_thinking and planning. Detailed notes regarding the sources of information and the underlying assumptions that support the financial data and information must be kept carefully for quick and easy reference as and when needed.