I think what you are doing is right. You will gain profit just by storing bitcoin. Without doing anything. What else do you buy bitcoin at a low price. It is very profitable for you. Bitcoin investment will be profitable if you keep it in the long run. Do not be afraid just because bitcoin down. It's only temporary then up again. If you want to add a little profit you can try trading or cloud mining but you must know in advance the technique of the. Of course there is a risk .. if the big investment then the risk is also great .. if small then the risk will be small too