Can those machines replace a real coach?

Coaches are expensive =/

Unless you have a Terminator model 101 or equivalent, it’s not gonna replace a coach. Granted, you can improve immensely by a combination of robot+self-recording+YouTube, but it’s still way below what a good coach can do.

Or the tx which is a sexier version can motivate a lot of male players.

Can most coaches coach all aspects of each proper shot you want to learn, past the fundamentals ?