The reality is that no one really knows. You can submit and if it´s not approved they will tell you what you need to improve and then you can...
I already got paid twice
You can test it to see if CPM is high or low
When you have just one phrase it´s hard to tell the difference
CPA Grip
Yes, I use it to watch youtube
Probably you need to publish more valuable content and request review. And while you wait you can try these adsense alternatives: Monetag Adsterra
Are you also looking for portuguese language websites?
It depends, but generally when I like instrumentals I also go check the lyrics
Separate names with a comma.
