Did you talk to your users while building your product?

Yes,In today's global world, you can find your users anywhere

After the beta we are planning on doing a massive survey. I think theres such thing as too many cooks in the kitchen and when your development resources are limited - some insight from a testing cohort (pre launch) is great but a bunch of insight that just dampens your roadmap and limits your ability to ship code might be a hinderance.

yes, keeping surveys with them

Yes, For User testing and surveys.