What are the biggest digital flips (personal) you have ever made? $$$$$$$

Looking to sprout a conversation, would love to hear your stories. What is the biggest personal digital flip you’ve made in terms of an ROI? This is directed towards people who resell for a living.

There are a lot of people who earn big money daily, and this would be a good inspiration for the people to see how the money = abundance in the universe.

What about you? Care to share your story?