> Some states, I think Nevada is one, have a program where you can pay an actuarial estimate and be set for the rest of your life as long as you don't move.
It was referred to as "allodial title", and I believe the program only lasted for a few years, so unless you're grandfathered in you aren't eligible.
Many states have some method of limiting increases, which helps you budget for the future costs, as long as the rules don't change. Some states, I think Nevada is one, have a program where you can pay an actuarial estimate and be set for the rest of your life as long as you don't move. Many states have programs where you can defer property tax payments until you move or die. Many also have programs specifically to low income seniors and people with disabilities.