In my opinion the best methodes to earn bitcoins online are the signature campaign, trading, and selling your skills/services or goods online for btc. You can use them or just focus with one if you haven't the time or the needed knowledge about the other ways.
These are excellent ways to earn bitcoin for a beginner. But these ways will not bring many coins. This should be seen as an additional source of income, not the main
Yes, this is a good way to earn money and not just for beginners. On the provision of services via the Internet you can quite well earn. After all, this is a full-fledged remote work.
Some people consider this work to be frivolous. But this is not so, thanks to the work on the Internet you can earn a lot of money. Only you have to discipline yourself and be able to work at home