What does it take to become an astronaut?

NASA increases prices for ISS private astronaut missions. The new pricing policy charges $5.2 million per person for ISS crew time to support a private astronaut mission, and $4.8 million per mission for integration and basic services, such as mission planning. (Price list in comments).

NASA, Axiom Space to Host Media Briefing on Private Astronaut Mission

NASA, Axiom Space to Host Media Briefing on Private Astronaut Mission