That's true, and the problem is, imagine if you need money to cover your living expenses or for an emergency like hospital bills, while you're experiencing losses in trading, wouldn't you be struggling to find money to cover or resolve those urgent needs? Of course, and that's where having a primary income comes in: to cover all your living expenses at all times. As you've mentioned, trading doesn't guarantee a profit. The risk of loss is always there, and we don't know when it will happen, nor how much we'll lose, especially if you can't control your emotions.