A contingency plan sounds like the dullest possible opening for a business blog, and it is the most useful thing in this set. If the income from home is the income, then something has to exist for the week the website breaks or a supplier disappears, and almost nobody writes that down in advance.
The video advice is more specific than most. Split a long video into two, publish several short ones a week rather than one long one, and use text on screen to label the steps in anything you demonstrate. There is a note on watermarking so that your material stays yours.
The social media posts suggest running a competition to bring people in, then remind you that having an identity matters more than pushing anybody toward a purchase.
The search and page rank posts cover ground you will have met elsewhere, and the tip boxes interrupt constantly.
Read the contingency advice if your household depends on one website.