Conversation with newbie about crypto

Today I talked to one person who asked me to explain what crypto is and how to make money here. As usual, a person wants to transfer part of the profit from an offline business to something more profitable. He looks to be about 40 years old. We sat down at a table in a cafe, I looked at his already quite gray hair and thought about how this time I could explain it in a way that would be done in 5-10 minutes, strictly and factually.

• And this is what I told him:

1. Out of a hundred people in crypto, only five earn really good, tangible money. These five can be pure traders or long-term investors, but more often they are two in one. However, any long-term investor who understands what he is doing has gone through, or is still going through, the path of a trader
2. Most likely you won’t make money from trading because you’re asking me what a crypto exchange is. And looking at your gray hair, you will most likely lose it. No, not money. And what? Health. Apparently you don't have much of it. A trader isn't about charts, lines and other drawings. More precisely, it’s not only about this. Many people know analysis. A successful trader is about personality. A person who was completely or almost completely able to overcome most human fears, vices and stereotypes. This is much more complex than TA, it is impossible to explain or understand. You can only feel it. Basically, these are very emotional, but extremely cold and unempathetic people, for whom the price of all dogmas and other personal beliefs = 0. This is the price they pay for not hurting themselves in case of failure, and not being too happy when winning . Trading bots such as bitsgap will help them make a minimum profit, but there you also need to know what trading is.
3. If you want to invest, I recommend that you simply find the person described in point No. 2, who will make it clear that there is panic in the market, and you can start buying back the ladder. Then you can start buying back every next 10% drawdown from ATH. This same person will also hint to you about market euphoria, then you can start selling, using the same ladder, but in 20% increments. No, I won't be that person.
4. I don’t know how much annual interest you will get from your invested million. This is a young and risky market. Most likely you will get half a million, but not on top. If you feel mental pain when you see a drawdown of your entire portfolio of 50%, then forget about investing in crypto, it’s better to buy a dollar, or put your money in the bank. Fortunately, now there is a yield of 15% per annum

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We're done here. It seems that I convinced him, but I still don’t understand on what...