I think gambling is the most easiest way to earn more and more bitcoin in a short time, nut gambling needs a lot of experience and skills. Without these two you man lose your earnings because it is gambling.
Gambling is not easiest way to earn bitcoins, and skills and experience won't help anyone to make money in gambling, please stop writing nonsense, people are reading this and can jump to wrong conclusion.
you can work as freelancer on upwork or similar site if you are copywriter or developper or designer
you can also work as seo specialist with more one client as what i do now
Are you sure you can earn 1 bitcoin every month doing freelancing? I mean, we are talking about 5600$.