Futures and margin trading are all about risks, there is no way you can do safe trading when you are trading in futures which is the reason why it's not recommended for people who don't have a lot of experience with the market and futures trading practices. A lot of new investors see the edited and falsified screenshots on social media and think that they can make a lot of money in futures trading but that's not what happens when you try it yourself without proper knowledge and experience. So, don't get fooled.

If you don't even know what margin you should use for your trading strategy and profit targets then you shouldn't be doing futures trading, in my opinion. When someone gains enough knowledge and experience, they don't ask such basic questions from others and when they do, it clearly means that they are not ready for it yet.