Yes this is true and possible! Many freelance writers can attest to this. There are different types of niche you can do when entering into a blogging gig, you can earn while doing the thing that you like most.
If you are someone who is just starting and haven’t the slightest idea on how to start a blog, there are different types of blogging that you might not even know you are already doing. Creating a social networking site could be considered as blogging, writing about a review of the product or places that you like is already blogging, re-blogging funny images and posting funny meme or gifs is already blogging. That is why blogging is considered as one of the easiest online jobs for teenagers.
Creating your own blog site is easy, and you just have to decide what kind of blog site it will be. You can go for a relationship blog, teenager problems 101, etc. You can also look for a client that will pay you to write a content article for their blog site.
There are some blogging gigs that pay you on an hourly increments or pays in bulk per article. You can do this full time and part time. It might not be much like earns you billions of dollars, but it sure does pay that overdue bill or that clothes you’ve wanted to buy.