every investment that you make, make sure you have a point:
- you have to understand the risk
- the crypto have an ecosystem in the future
- make sure you do not use your wife's money

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That is true

But if we need to decide if long or short time investment is better for me that depends on coin, cause some of them having pump and after that they are going again to red, and some of them are reaching top slowly and holding them for long time could be more profitable than fast selling.