To make money only with BTC, there are many different ways you can make money, you can do freelancers pay by BTC, participate in bounty campaigns, play gambling, and on the forums often have the signature campaigns and social campaigns, you can also participate to earn BTC because these campaigns pay an average of 0.005 BTC / week if you reach the Full Member status. Besides, you can also invest in BTC if you have a lot of money. If you invest in the present, when the price of BTC is 17,000 USD, next year I will make sure you will earn a huge profit, you may be surprised!