Earning bitcoin is not quite hard if you really plan to go for earning bitcoins as business. It hardly needs very small investment to run your own business.
Now you will think for which business I am talking? Am I right ?
I am talking about Affiliate or referral business.
Bitcoin is still new to major audience. Anyone can get good benefit of it.
Buy doing small investment on Domain and Hosting you can start your own website.
On website you can post latest updates, bitcoin related services, or bitcoin related products.
Within post you can give your own review that will really help to user.
Later on can work on SEO and Advertising to reach to more targeted peoples with
bitcoin advertising networks.
Also you can run advertisement on your website.
More unique content will give free traffic from social media and search engines.
I am running own 2 websites related to bitcoin niche keyword and getting good ROI and Profit.
http://digitalbit.co.in and
http://bitgold.co.in are my sites.