Help Needed for future Funeral Costs

My father was recently diagnosed with Progressive Supernuclear Palsy.  I am a planner and most recently learned that he no longer has life insurance, I decided I need to help with his final costs and wishes when the time arrives. He is still alive and living each day as best he can, however you can see how the disease is progressing, which is sad to watch when he use to be a very active person. All help is appreciated.