What is it that you don't understand there.
follow the pictures, let's say you published a post today, after that, go to schedule and and change the date to maybe next week.
The post will remain as the first post till next week
Depends on how much time you have to stay viewing ads.Like myself, I only view in the morning on transit, evening while going back home, and at times maybe before I go to bed if It comes to my mind. In two/three days or less in make 5,000 satosh