I cannot understand what your question is entirely. "Giving" someone your child does not get you off the hook for child support. Where is the...

You can do nothing about it. Only the mother can do that.

You need a divorce before you buy the house, which is not possible.

An oral agreement, if unacknowledged, is no agreement.

You can go get your 17 y/o and take any court orders with you in the event you need to call police.

If you have no adjudication of parentage and no court orders it would be kidnapping.

This method of calculation is becoming a bit controversial. I think it's better explained that it costs more to raise a child in 2 homes than 1. ...

Eviction is the only answer. . .

I would put in both names with an explanation that you are the same person. You want to move forward so that your Dad is still competent to give...

Yes, just like everything else where you used your married name.