What do I need to know before retiring in Tokyo?

"-Make sure to research the cost of living in Tokyo to ensure you can afford to live comfortably. -Find out if the area you want to live in has access to services like hospitals and transportation. -Understand the local language or make sure you can access multiple services if you are unable to speak Japanese. -Be aware of any visa or residency requirements for long-term stays. -Find out about any taxes or other financial obligations that may affect your retirement. -Look into the availability of leisure activities in the area. -Familiarize yourself with cultural customs and common social norms of the area. -Have a plan in place for health and medical care while living in Tokyo. -Ensure you have easy access to banking, travel and communication services," mentioned another expat when asked about moving to Tokyo, Japan.