When choosing a lesson template, be sure to use one that isn't overly complex or confusing. Additionally, choose a font that's readable as well. By choosing these little steps to make your plan template more legible, you will save yourself a lot of confusion in the long run.
Another thing to consider when using an internet business plan template is flexibility. The internet is an ever_changing beast and your plan of action will need to change with it. If you choose to follow a template that allows for minimal flexibility then at some point, you will have to choose a different one. The key is choosing templates that already have options built into it. For example, if are using a template to build a mailing list then the key components are getting opt ins and sending emails. The key to getting people on your list is generating traffic to your opt in page. This provides you with a lot of flexibility because there are a hundreds of different ways to generate traffic. If a certain traffic method starts to fail, then you can simply use another one.