Is a very small piece of the puzzle. Get a decent host and don't worry about it.
It takes a few days for Google to update this, give it more time, is fine.
What's your niche and website? You can use Adsense, CPA offers or anything really, that's no problem, if you have traffic you can monetize it...
Is either his links are being devalued and you are losing rankings because of that or your competitors are just doing a better job at SEO than you.
No buddy, just link to it, don't be paranoid :) Is just a link from your blog to website, is fine.
That's total nonsense, rubbish advice.
Why would it harm it? If is not in like adult niche than you are good to go :)
Just literally sign up for new cheap host for each domain, get is nameservers and update them at your registrar. Repeat for new blog. Make a...
What do you mean keywords rank with URL only? You paste your URL in google and than search? Of course your site will be first, you didn't search...
Would you use same host 2-3 times for different PBN blog but each time select different server location i.e. US East, CA, US West, would this be fine?
Build a good base of branded/URL anchors with social bookmarks, web 2.0s etc. Don't forget to power up your web 2.0's with tier 2 links. Thank...
Separate names with a comma.