All these way to earn bitcoins are hard and difficult. Faucets pays you very little, likely to be 10 dollars a year or little more. On the other side, mining and gamble are good for earning. But gambling is totally depends on your luck. Mining is profitable maybe in long term. If you trying to do a job based on paying btc, then you should a good skills of internet usage. As you write pay per post, then you should join a good campaign for your better satisfaction. For this you have a good quality of posting. But this only not likely to be a source of income. You should get better intrust in other ways of earning bitcoins.