You can earn your income here in bctalk or in trading there is many way to do earn money in bitcoin. Earn your income then if enough for you then convert it into cash. Or you can earn them to your wallet and wait the bitcoin rise for you to get extra income. Thats the easy way to earn money in bitcoin.
Trading selling goods and doing services is one of the most best idea you are going to earn bitcoin and your bitcoin turn into money best right ? but if you are going to earn money then use bitcoin currency it will help you to grow your money by investing or trading because there are lots of ways that can do with bitcoins.