Expensive and just impossible in many cases also I have ZERO trust in Thai Insurance or any insurance companies. Just make sure you have enough cash saved.
There is no way I would have survived in Thailand for over two decades not being able to understand my surroundings. I would have died from stress and loneliness. Never consider moving here if you are not willing to learn the basics of the language. Here is a link to a YouTube channel that will give you idea of Thai.
Everything is so much easier to deal with besides most Thais enjoy small talk just being friendly and curious. How many foreigners have you approached lately that looked welcoming enough to say hello to? I rarely ever approach foreigners for numerous reasons. Thais no problem feel very at ease around them.
Try explaining that to the 99.999% who refuse to. I have heard about every excuse possible. Learning Thai saves time, $$$ and much less stress understanding your surroundings not walking around in a bubble for years lost.