If you are a good gambler have good skill of gambling and experience with good luck you can really grow bitcoin in a very very short period of time, you just need to invest some money in gambling and if you are a luck person you will really increase your bitcoin in a sort time.
No one can say that he is a good gambler and he can win every time as gambling is a luck based game and no skills or strategy will help you in making money in it and that is the most risky way to depend to grow your coins.