Robinhood makes most of its money selling customer orders (2020)

Please don't post old articles as a comment on the current story. It just causes duplicate threads; the URL at the top may be different but the comments will all be about the current event. Instead, the place to link to such an article is in one of the many ongoing current threads, as these users already did:

https://news.ycombinator.com/item?id=25945952

https://news.ycombinator.com/item?id=25941759

Even more importantly, please don't rewrite titles to editorialize them ("“Citadel, a few others paid Robinhood nearly $100M in Q1 of 2020 alone.”"). That's explicitly against the site guidelines: https://news.ycombinator.com/newsguidelines.html.