Basically just use 2% of your entire portfolio for trading and you're safe, on top of that you don't use all of that 2% but just few percent of it if you future trades.
It's simple and basic money management that people often overlook but can save them from losing in the long run.
Trading is more strategical and tactical such that your expectations can't be fulfilled in most cases why we don't need to put all hopes basically because we traded with an amounts and we should expect results in no time. Trading will always burst ur bubbles no doubts why is needed to understand money and risks management so well.