You don't have to be that rich. Consider how much your residence may be worth at sale for a start. The full term is a Beneficiary Testimonial Trust Will - I know cause I have one. Also give consideration to making the Executor anyone but a relative, eg, an accounting firm and legal firm. Sure they will charge hourly rates but (a) it keeps the Public Trustee out of the equation and they charge way over the odds, (b) they are impartial and (c) both need to agree. If you have super consider a non-binding death nomination for its flexibility.
Also consider a Corporate Trustee arrangement for your Will. As the CT can act as trustee of multiple wills and estates, it can accommodate various family members, eg where the wife or husband dies first and the remaining partner is not only named as executor but also trustee and beneficiary of the deceased persons estate.
And $500 is not even a rounding error if you have a residence alone valued at $600k+
Just my
A good follow-up Judd and something I did not make clear. For a measly ~$500 anyone can setup one and even if you have no assets, but sensibly have large insurance policies for your family protection, how can you not afford not to have one if you have dependents?
It is all about your financial intelligence and it does not take too much effort to gain that over time.