Thank you!

In fact, colon is really underrated. I could have gone into the details. Basically, it is a "forward connector." This is why it works:

I keep pushing you forward. Like this:

Every colon takes you closer to to the destination.

Really makes reading a breeze. And as far as spaces between the paragraph goes, all about readability.

I already see you are using good paras, image subheads, and nice checkmarks. Looking good so far!