Generally, a power of attorney is prepared and signed by the principal The agent (you) does not need to sign.  I do not know your state's specific law, or the law of your grandmother's state, but these documents are usually effective even if the POA lives in a different state.  In Florida, it makes no difference if the agent is in Florida or not.  Your grandmother should seek the assistance of a lawyer to prepare the POA.  That lawyer can advise if there are any restrictions on appointing you as the agent.Please have your grandmother consult a lawyer.  There are many circumstances to consider and you do not want to make a mistake by trying to prepare this document from a form.