Power of Attorney

What is needed for my to become guardianship of my handicapped niece?
My niece is paralized on left side because of a tumer. She has no interest in anything, what do you think of power of attornery for her? She doesn't have much money right now but she gets disablitity.
How do I get Power of Attorney for my sister who is mentally unstable right now?
My sister tried to commit suicide yesterday and has been admitted into a psychiatric facility where she is still in the 'mental breakdown mode'. Her husband is planning to use this against her for the divorce that is up and coming. She has three minor children; therefore, I need to make sure everything is taken care of on her side. How do I do that? Is it through Power of Attorney?
I would like to file a lien against my mother's home until I can sell it?
I have taken power of attorney for my mother's financial accounts to pay off up to $50,000.00 of credit card debt. I would like to file a lien at the court house to protect myself until I can get her house sold and get reimbursed for the bills I have paid. Can I use one of your forms to get it done legally?
When to use a Small Estate Affadavit
Can a Small Estate Affadavit be used when property is valued at $80,000.00? What would be used instead?
Power of Attorney for passing mother who is still legally married
My Mother recently passed leaving no power of attorney over her finances, she is married but has been separated for over ten years (not legally). Is it possible for me to become power of attorney over her finances although she is still married in the state of Georgia.