It'd be interesting to know how much you are paying for your data. If you're doing things legally, balance sheet data and exchange licensing for stuff like this costs 10's of thousands of dollars a year.
Oh hey, that's awesome, I was under the impression there wasn't any free data sources available. This would make FinTech way more accessible for startups. Which ones do you use?
Quandl is great but be sure to truly understand their ToS correctly - they pull a lot of their data from sources that forfeit (or dont explicitly allow) public/for profit redistribution