Holy Engagement! This was an awesome post, full of great info… and then I realized that 3/4 of the actual page was comments… which is even better for shares, SEO and overall engagement. I was lucky enough to attend an event where Neil Patel was giving some great blogging training and a lot of what you covered was there. https://www.thatbloggingthing.com/69-blogging-secrets-i-stole-from-neil-patel/ The simple fact that you comment back is awesome.
There are also risks associated with expired domains: The invested sum for the purchased domain is only worthwhile if the website really brings traffic and has a good reputation. In the worst case, you 'inherit' any liabilities the abandoned domain might have – for example, problems with bots, spam attacks, or Google warnings. It is therefore very important to find out as much as possible about the relevant domain in advance.
Yes and no. A long time ago, Google stopped showing search term keywords in Google Analytics for its logged in users. You can read about it online. Most of your traffic may be from logged in Google users so it will hide their keywords searched and show up as "not provided". Rest assured, we are sending the traffic that is using your keywords and the service will work the same way regardless.

"Mobile is critical — Google has finally noted that more than half of searches are conducted on mobile, and this will only go up as computing becomes even more ubiquitous," Noah Jessop, head of data for Liquid PCH, told Marketing Dive earlier this year. "The shift to mobile is only going to increase — and unprepared marketers will be left trying to catch up."