Can a new owner increase the rent on single family home?

If there is no current lease you should be able to draft up a new one that asks for more monthly rent.

We want to sponsor in family category our son with above details and if so how much the cost of submission our case

This is an immigration question and I am changing the practice area from Family to Immigration.

Most states offer a path to receiving custody of the child for a third party. Taking the child away from his parents would be difficult. You would...

Can I legally leave home or is there a way I can move with someone else?

You can't legally leave home without an order from the court emancipating you from your parents.

In general, if the GAL's recommendation and the recommendation of the Psych Evaluator match, is it likely the Judge will agree?

Yes, the Judges rely and trust the opinions of the 3rd parties in the case.

Out of state warrant with two children and mom lives in Louisiana

The children would become the responsibility of the State and they may place them with you, or they may place them somewhere else. You would need...

Can I ask to do drug test(preferably hair follicle one) in discovery?

Typically courts will order drug tests upon allegation of drug use and reasonable cause.

How do I get emancipated? Can I do that without my parents concent? If i was 17, would I be able to move out w/out emancipation

You need to file for emancipation of a minor. Use the forms offered by your local court.

Would I need her consent to live with an Aunt, or my Paternal Grandmother?

Most likely not. Moving would not be a violation of a court order if there are no current court orders.

Can my daughters mother get me in trouble for child neglect because she comes home from school hungry?

Probably not. The Courts know that children get hungry at all times for many different reasons.