There are many ways to earn some money in this crypto, first of all is trading. Trading is the best way to earn in bitcoin but you need capital of money when it comes to trading in cryptocurrency. Other than trading  is mining. Mining needs capital too but your capital will buy more gpu to have a great amount of mining, big gpus big mining that you get. Next is joining bounty campaigns in alternate cryptocurrency. Here you need skills to joined in the ICO, in orfer to have income you will able to find your job that you will joining. Just choose and you will have a great amount of money in the future.