Firstly you have to use money that afford to loss, and then you have to learn technical analysis to determine support and resistance area to decide best are price to buy and sell. After that learn also about risk management to minimize the risk, like use stop loss whenever bought crypto, and you should be have monthly target profit.
Even with using money you can afford to lose, you have to be sure you have a good knowledge and from the knowledge you have been able to get a good strategy to keep you going at least. There would still be some hiccups and mistakes in the middle of it all, which is why it is necessary to trade so little and also learn capital management.People, who rush in a lot, always end up not gaining any confidence at all from their experience. The advantage of gaining the experience is so you can eventually get confident with your strategy. As per some professional trader's view, one should get into trading even he is afraid of losing capitals because for some people only practical things alone may give them enough confident and waiting for starting after get rid off the fear will never find an end.
. (I hope this helps) 
