Pick a stack and go, your just wasting time and effort that is not focused on your value prop.<p>Strictly pair program the implementation to facilitate quick knowledge transfer of the tech stack.<p>In the early stages, it is about finding a minimal solution to fit your value prop so you can get people to engage with it and validate your assumptions. This requires more thinking than code. Pairing the implementation will not only allow tech knowledge transfer, it will facilitate those important idea discussions that need to happen too.