To get power of attorney (POA), the person granting you that power must name you as the agent to have the powers specified in the POA document. It must be signed by the giver while s/he is sound of mind.
It's hard for a family to recuperate when the patriarchs and matriarchs have gone to glory, leaving a battle for who will carry the family's leadership role and manage the family's transition of wealth.
Your last will and testament is one of the most important legal documents that you will ever make. It allows you to direct where you want your property, guardianship and debts to go after you die, and allows you to appoint an executor to act out your wishes.
One of the biggest concerns a trust creator might have is that the beneficiary would squander their inheritance or that the beneficiary’s creditor would attach the inheritance to cover the beneficiary’s debt.
No matter what line of work you are in, estate planning has facets that apply to everyone, and it comes down to documenting wishes and avoiding probate and unnecessary taxes. Too many people put it off, but, in general, the sooner you do it, the better.