Study the basics of Trading in General. In this way you will have an idea on how does the industry work. There are a lot of articles or online books that are available in the internet. Trading isn't that easy to be honest. It needs a lot of effort and time, to be successful in this type of business. Also, You need to have capital before engaging in trading.

In dealing with cryptos, You must also study the coins you want to engage with. Since there are a good coin, bad coin and a neutral coin. A proper knowledge in crypto trading could help you avoid loses.

There are also strategies that were posted in this forum in which you could use if you are fully decided to do trading