Since your power of attorney potentially will be handling your legal and financial affairs, you'll want to choose someone who either has some experience in these fields or has the personality and financial savvy to handle the decisions that may fall to him or her.
An agent may have access to your bank accounts, the power to make gifts and transfer your funds, and the ability to sell your property. Your agent can be any competent adult, including a professional such as an attorney, accountant, or banker.
A power of attorney agent is not barred by law to sell the property unto himself by following proper procedures. He is selling the property on behalf of his principal in the capacity of his agent/representative and buying it as a buyer.
In a big warning to property owners who intend to sell their assets through a power of attorney (PoA) holder, the Supreme Court has ruled that the PoA holder can sell the property and register the sale by merely producing a copy of the PoA and that the original was not mandatory for registration of the sale.