So I finally got around to asking my officiant about her fee and she said it's usually $125.  We had set aside a bit more than that.  Would it be weird if I gave her $175 or $200?  (That's still less than our original TK budget said.)  Or should I just keep the extra money and be happy?
We did invite her and her husband to the rehearsal and wedding reception.  Not sure yet if they're coming, but I suspect they will.