“in the beginning I sent with every sign with every I think purchase I had an automated email with a cly link uh and I this was a that was a massive heck for honestly I would recommend this to anybody um because as I said I had no idea of the use cases exactly and then I learned of all these people”

Auto-email a Calendly link to every new purchase

On every purchase, Klemke fired an automated email with a Calendly link. The calls revealed use cases he never anticipated (dream visualizers, book authors, musicians), what users were missing, and what they loved. Paying customers self-select as the highest-signal interview pool — they reveal the real jobs-to-be-done at zero acquisition cost.