We don't ordinarily answer questions from minors, but your situation is somewhat unique. Since your parents aren't divorced and there are no court...

She has a marital interest in the home, so she would have to sign off and agree, but there could be issues depending on facts you don't disclose.

You need an attorney. Call Legal Aid in your area and see if they will handle this matter or if they offer a self help clinic. If that doesn't...

Yes, she can file again. ...

No, he is supposed to use his mom's money for his mom, not himself. The POA is to act in the best interest of the person they have POA over.

A custody case needs to be filed and should incorporate custody, parenting schedule and child support at minimum.

This is why you have the prior agreement/settlement amended. You will need to gather your proof that the child resides with someone else and file...

CPS court is civil and criminal court is criminal. A civil EPO/DVO can be expunged, but the CPS case in dependency, neglect, abuse is not...

You may be held in contempt. Children do not make custodial or visitation decisions. You should have made motions months ago.

POA should not give her access to your children. The school giving out your contact info is a huge violation of your privacy. I would move...