> I wonder how others do this kind of thing. We did the exact same for a text classification project. The multi-week grind was awful, but it meant 1. we had a

> I wonder how others do this kind of thing. We did the exact same for a text classification project. The multi-week grind was awful, but it meant 1. we had a really good understanding of our data 2. we discovered surprising edge cases that we would have missed otherwise. There is a very large fixed overhead you need to pay when you start outsourcing that work, so doing it yourself is cheaper at scales beyond what you'd normally expect.