You can’t learn how to do Amazon by just “learning”.
It's the same in any industry. If you are a layman and want to quickly understand the workings of this industry, it's fine for you to choose to participate in training. However, you must understand that it can only help you solve basic problems at most and it will be OK if it can help you get started smoothly. Don't expect to get substantial returns from training.
After laying a solid foundation, the real way to make progress is to constantly practice, constantly discover and solve problems in practice. Every time you discover and solve a problem, the most direct result you get is that you will not fall into this pit again in the future.
This is why it is often easier for experienced sellers, because they may have stepped into all the pitfalls, but they are still persisting. Then the difficulties they will encounter in the future will be much smaller, and the probability of success will naturally be much greater.
Whatever problem you encounter, whether you know how to solve the problem, and whether you know what to do and when, these are the real reasons that separate everyone.
It is unrealistic to learn these things by rote. Even if seniors keep sharing various "dry goods" with you, you may think you know them all when you listen, but you have forgotten them completely when you encounter problems.
Therefore, "actual practice is the best learning."
You may think this sentence is nonsense, but I will always be in awe of it.