Thanks for that post.
I would just add that self insuring is not very sensible in my view. There was an earlier topic where this was discussed in quite a lot of detail.
The problem that occurs to me, to which @Shiba allures, is what happens when your self insurance net egg is all but spent on one incident and another follows toot sweet…
Of course health insurance is expensive - so is car insurance when you measure it against a clean accident record in 40 years of driving but, my word, you’ll be glad of it if the worst were to happen…