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Also, this might work better on Flippa.
And, finally, there are a ton of tools that do this exact same thing, and many are mature and widely used. What's new about this?
For $50,000, I could get an enterprise account with an established marketing analytics firm for 6 months to a few years, depending on the provider.
Context switching is very costly. So is having to configure, support, and debug 3 different environments.
I understand using Node for realtime/async services, but using both Python and Ruby makes no sense.
And then there's the significant investment (many thousands) in getting users. I'm not even really sure who the users are supposed to be.