OP had to think a bit bigger to get a great ROI. He got himself neck deep into performing tasks or small minuscule work items. I wish he had thought about evolving it into a trading platform or even started with that, something like Robinhood
I'm sure he got some emails like this, "why dont you add trading?" when becoming a brokerage is more like a 100 person project
If you know how to handle it, then it doesn’t