You are good if you still work in some company and get a paycheck every month because it is make your trading mental healthier then other who trade for live. Some time when you make wrong decision and the coin going dip you still can hold it then you can not lose much for cut lose. But if you are a profesional trader you will become rich by focusing on trading
i think its possible because trading dont need extra time from you its very easy to earn money from trade with any of your other work.