You may only need a few essential documents to get your estate plan underway, but many people often delay because of the concern of complications, according to Forbes in "More Than Half of Americans Don't Have These Essential Estate Documents, Do You?"
A validly drafted general durable power of attorney can prevent the significant costs associated with guardianship proceedings if you were to become unable to manage your own affairs in the future. And an Advance Directive (which includes a "Living Will") that is prepared in accordance with New Jersey law can help carry out your wishes with respect to the termination of medical treatment and, like a power of attorney, can also prevent significant costs in the event that you become unable to make your own medical decisions in the future.
In addition to those two basic documents, you would most likely need a Will and some form of Trust. Both Wills and Trusts can vary tremendously in their complexity and purpose.
An experienced New Jersey estate planning attorney can advise you on creating an estate plan that meets your unique circumstances, which may include the creation of a Will and Trusts.
Reference: Forbes (Jan. 26, 2018) "More Than Half of Americans Don't Have These Essential Estate Documents, Do You?"