Designing & Writing Patterns

I am contemplating becoming a quilt pattern designer. I'm not sure if I will write digital pdf patterns to sell online or paper patterns to sell in quilt shops. Maybe I will do both. I already have the Electric Quilt software, EQ7, which will definitely make the process easier.  While researching resources to teach me how to write patterns, I found this very informative website: Meadow Mist Pattern Writing Blog Series