In order not to lose money in the market, you need to initially build a system of actions that you need. It is not possible to say that you can completely protect yourself from losses, but you can do a lot to minimize them. First, you need to choose a strategy that you understand well, even if it is not suitable for all assets. After that, you need to work it out in practice to understand its peculiarities and use them in your favor. The second step is not to forget about the money management and not to use too much of your capital. The third nuance is the analysis of the situation, I am convinced that sometimes it is better to wait than to get into a situation from which there is no way out.