First of all - the guy contacted you every day while he was CAMPING. If that doesn't convince you that he's serious about you I don't know what will. Second:
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But I think I would love to live with him. But we do need to have the talk, even if nothing is happening soon, I need to know where this is potentially headed.
No you don't need to have that conversation yet. Seriously. It's too soon. And you should just be enjoying where you are now and working on your differences in this relationship without trying to jump ahead.
As for D11 and school - would it make sense to wait a couple of years until she goes to high school? That seems like a natural transition point, many people go to different high schools and friend groups often change in high school anyway.
I understand why you crave the affirmation given your childhood, but try to be patient and let things unfold over time.