Opening rule
Open Pro on 15 May 2026 if launch reaches at least 5 pack sales or 100 qualified email subscribers. Otherwise, keep this as a waitlist and improve the lead magnet and product page.
Waitlist, not checkout
Pro stays closed until the pack proves demand or the first issue is ready. The target subscription is 29 EUR/month.
Open Pro on 15 May 2026 if launch reaches at least 5 pack sales or 100 qualified email subscribers. Otherwise, keep this as a waitlist and improve the lead magnet and product page.
2 benchmark-ready notebooks, 1 public dataset teardown, 1 optimization recipe, and 1 short implementation checklist.