2. But in the other hand some other people, unfortunately, using the money from dad/mom/loan/... Also they want to get the profit in short term.
This is the worst thing to get involve when it come to cryptocurrency. Funds that don't belongs to you as the holder should not be use for investment because the cryptocurrency market is some how unpredictable due to it volatility known by it existence. Have seen many funds managers who managed people funds in trading their holdings for these investors and later ended up be jailed for mismanagement. They loose their funds in their coffers due to market volatility and not because of their carelessness. "Invest what belongs to you and you only. Investing what you can afford to loose because loss can bring depression".