Probate administration involves a lot more than dealing with the probate court. As a result, avoiding probate eliminates only a small part of the necessary tasks when someone dies.
Being a trustee is a big responsibility but problems can be avoided if the trustee pays attention to their duties as trustee and uses best efforts to fulfill them.
If your estate plan includes a trust and it’s more than a few years old, or there has been a change in your family circumstances, it’s time to have it reviewed.