It is necessary to begin with small, with a small amount, then gradually increase it. Choose a crypto currency and study it well. Follow all the news of the Crypt. Pay attention to Bitcoin's news, even if you did not buy it. Since Bitcoin affects all crypto-currencies. Continually study new information about crypto-currencies. Study, study and study again.
You know, people have different minds. Some of them are sure that a thousand is a very small amount when the others want to come to the market with $50.