If you think she only did it for the money, you haven't even 'scratched the surface'. [=there are many other factors, reasons, etc., involved]
Despite the 'surface' differences between the two candidates, they are very similar in most ways.
The tension between them is beginning to 'rise to the surface'. [=it is becoming easy to see]
(..) to have trusted you. You're like Santa Claus and the Easter Bunny. Just as charming and just as fake. You think I'm fake. Only on the surface, Dad. But it's all I've ever seen. Look. I'm about to have... ...a kid of my own. It would kill me (..)2003 Big Fish