And the two important factors that can spell the difference between failure and success — Earning $100 a month on Medium may be too small for some freelancers and writers, but to others, it is already something to start with. And why not? If you could start earning $100 this month, then it’s very possible to earn $200 in the next month, right? That’s the power of multiplication. It’s not hard to imagine multiplying your income once you multiply your efforts as well.