The idea of Prompt Engineering has taken the internet by storm, as these GPT language models have improved significantly and thus become useful tools for those who wish to master the art of prompting.
One application of WeWrite is that users could post their favorite prompts and get paid for them. Perhaps some of their best prompts could be put inside of a paywalled page.
You could have one prompt per page to maximize donations (maybe the rest of the page could show sample outputs) or you could make a page collecting a bunch of prompts into a single page.