"Investment must be profitable".

That is my viewpoint, whether the profit is small or large, any transaction must yield a profit.

4 principles to follow.

1. Selling out, whether early or late, does not matter, as long as you sell out with a profit. However, when buying in, you need to time it appropriately. If the price is not what you expected, absolutely do not buy.

2. Appreciate every dollar of profit.

If one day I earn 10, 20, or 50 USD, it is still a significant amount compared to a normal day's wage. So do not rush, do not fear missing out when continuing a transaction with the capital and profit already made. Always listen to reason, not emotion.

3. For any transaction influenced by emotion, I turn off my phone.

If the fear of missing an opportunity drives you to trade, then the risk of being swayed by emotion when prices fluctuate will easily lead you to further mistakes. Trade based on analysis, evaluation, and trust.

4. Never desire a single transaction that earns 10, 20, or 100 times the invested capital. Instead, strive to accumulate profit with small amounts. Small becomes large, large becomes... you know the rest.

There is a saying: "if you have a good system, you will naturally make money". In cryptocurrency investment, it is the same: "if you have a strategy and a set of rules that suit you, and you discipline yourself to follow them, you will also make money".