My methods of growing bitcoin is from faucet and affiliate programs. with it, I can earn about 0.1 BTC in one month ..
which affiliate program do you use can you provide more information here so it can help everybody including me ?
as i also have interest in it and i think some web hosting company who accept and pays in bitcoins affiliate program will work great as a lot of people need web hosting to host their bitcoin related websites such as faucets
The bets way is and remains trading.
Sure it cost some time but you will see it will give a sufficient bitcoins.