I think the simplest way of growing bitcoins is to purchase some amount of bitcoins and do the trading with some of amounts will be beneficial to grow the bitcoins.
Trading is like gambling - you can win big but also lose big.
It's not really gambling man, you just need to have patience and just apply common sense in your trades. Check the charts, research your projects and if you buy at a relative low price it will eventually be pumped and you will get a profit. Daily trading is more risky but it still can be done since crypto it's to volatile, you just need to be careful when you entering a pump.
In gambling you will always lose at the end if you keep up with it, it's guaranteed.