Hey Hermione, thanks for the info about having more than one account. I know some big writers have more so I didn't realise it was a problem. I will look into it.
And you do get paid if a reader reads more than once. "Member reading time" is all paid to you, but "reads" are counted differently and are only for stats purposes, but it seems to be a little flawed with the changing interface. So I don't recommend worrying about the number of reads and instead focus on writing good engaging content.