Can you really make money on Gumroad?

Can you really make money selling digital products on Gumroad? With the platform's low fees and easy-to-use interface, it seems like a promising opportunity for creators to monetize their work. But is it actually viable? How much can you realistically expect to earn? And what kind of digital products are most likely to sell well on Gumroad? Are there any success stories or best practices to follow for maximizing your earnings on the platform?