Thank you for your inspiring words, Terry. Yes I wrote a guide for beginners and I hope this is what you are looking for.

https://medium.com/illumination/how-to-start-substack-instantly-own-your-content-audience-effectively-81f6aaa4e7f7

I will write a more advanced one soon. Some beginners ask me to write a book about it as they find it a bit daunting in the beginning but it is quite intuitive and in fact much easier than Medium.