Hi! With regards to the first question, I'm sure Google would be the best source for that question, so you will probably find the right answer here, on their Application review waiting time
Google wrote:For some sites the application review process can be as quick as a day, and for others it can take several weeks. Note that some parts of the process require actions on your end, and we can only continue the review after you complete them.
Once our system detects that you've placed the code on a live page on your sign-up site or URL, we'll automatically review your entire site (not just the page that you submitted in your application). It typically takes 1-2 days for our specialists to complete the review.