1. Writing about Bitcoin: If you have skills about bitcoin with the cryptocurrency market industry General knowledge then you can share and also earn bitcoin.
2 ways to this, writing on sites like steemit that will basically treat you as a freelancer and reward you for producing great content on their website, or you can get lucky and land a job with a big news outlet, and that will be a lot more stable, as a job
2. Micro Earning : Micro earning websites pay you in Bitcoin for completing small tasks. In return you can get a (very) small amount of Bitcoin.
4. Paid-to-Click PTC Websites: There are many PTC websites that will pay negligible amounts in Bitcoin for clicks and views theirs adds
This website allows users to choose between viewing ads that are 5 seconds, 10 seconds or 20 seconds, with different fees being awarded for each but you need to searching trust proof site with payment proof.
I would just straight up ignore these 2 options if you want a serious bitcoin wallet, they basically give you cents and are usually not worth your time, however it is an easy way to just get some BTC.
3. BitcoinTalk Signature Campaigns: This is the most and popular ways you can earn more bitcoin with your expensive skills. If you want participate signature campaign then you need good rank and high post quality. Because here campaign manager will be follow your post quality so knowledge must have the crypto world.
You'll need to have good quality posts, as well as really understand how blockchain and bitcoin technology works, which means you need to read or just understand a lot of stuff before your able to be accepted.
5. Bitcoin Trading: There is lot of potential to make money on trading in Bitcoin, but it takes a level of expertise and knowledge about the bitcoin market.
6. Bitcoin Investment : If you can be patient then you can make a lot of profit through the investment of Bitcoin. When the price of bitcoin goes down, you can buy and hold bitcoin and if you have enough patience time then after you will earn extra bitcoin profit.
Most risky ways and probably not recommended unless you have a mindset that understands that you may lose money here. It will take a lot of research and a lot of luck to pull off, but rewards are usually better than any other option out there, especially compared to how much work you need to do here.