I cant lose nothing so i should invest nothing?
How much profit i might get with investing nothing?
Yes, Of course, that is common sense. You are like a philosopher. Why do want to invest if you won't lose anything? You know, try to invest a small amount for it and then see the result of yours. Nothing will happen to if you wouldn't invest you bitcoin. I think it will double the value and you can get a high profit on it. Nothing's bad to try.
If you want to profit from trading, you must be willing to take risks wether it is small or big. Trading requires an initial investment for you to make an exchange and it always bears a risk of losing your money if you are not able to manage it properly. It is actually very simple. If you are afraid to lose money, then trading is not for you. Just try another method to earn bitcoins because there are a lot of different ways to do so.