The PDF doesn't actually go into detail about how the author made over $200K in 19 days. In fact, the rest of the story doesn't mention anything else about that

The PDF doesn't actually go into detail about how the author made over $200K in 19 days. In fact, the rest of the story doesn't mention anything else about that claim at all. It's a discussion between a fictional "Steve" and "Karen" about how Steve should not charge by the hour.