What distinguishes good caddies from bad caddies in golf?

As a golf enthusiast, I've noticed that good caddies truly stand out from the bad ones. The best caddies have an excellent knowledge of the course, provide valuable advice on club selection, and maintain a positive attitude throughout the game. They are also reliable and supportive, ensuring their golfer's needs are met on and off the course. On the other hand, bad caddies lack these essential qualities, which can negatively impact a golfer's performance. Ultimately, a good caddy plays a crucial role in helping golfers achieve their best game.