1., 4., and 8. - it's free. There is no pricing, no income to pay for a domain or paid feedback.

2. It will load slower, and not work on all platforms.

3. You're supposed to copy-paste. There's lots of examples in the blog or other links from the headings.

5. and 6. Example video to inspire me?

7. That's useful, thank you. What if the landing page is a subpage? e.g. The blog.

9. My girlfriend already told me I talk too much about it in real life that it's making people not want to talk to me.