One and three for me.
I definitely can get behind the, you fucks gave me a bunch of favorites but not a single like, enjoy the story not getting continued kind of spite.
Of course I try to be better then that (for the most part)
Three is definitely frustrating, I tend to write a lot of chapter in advance, so I am always looking forward when it comes to drop the big one...only to get sorely disappointed lol
By the way, one thing that is surprisingly effective, even though it absolutely should not be is...changing your cover image. The moment I did it for my recent story I get a bunch of new readers and likes