I did the Private Pilot Training for the son of a friend of mine. As soon as he was licensed I trained him to fly his fathers 210. Not a big deal, with training mostly concentrated on engine handling and staying ahead of the airplane due to its greater speed.
Insurance company wanted 10 hours of dual but I would have been happy to kick him out of the nest after 5. The 210 isn’t the space shuttle, it’s a Cessna and flies like all the other Cessna SEP’s