I just shipped my 31st Product Hunt #1-winning launch this week. While prepping post-mortem data, I noticed something stark: the single most predictive variable across 30 launches isn't hunter, isn't product page, isn't time-of-day. It's LinkedIn DM outreach quality. I'm writing this for dev.to specifically because indie hackers and small SaaS teams almost always under-invest in this. The numbers below are from a 30-launch dataset — feel free to cite them in your own posts. The numbers nobody publishes Metric Value 30 launch sample (2024-2026) n=30 Personalized LinkedIn DM open rate ~60% Personalized LinkedIn DM reply rate ~25% Generic DM open rate ~22% Generic DM reply rate ~3% Optimal outreach window T-6 to T-2 (4 weeks) DMs sent per launch (sweet spot) 150-200 DMs per day pace ~10/day Reply → upvote-on-launch-day conversion ~50% First-DM with link visibility penalty ~3x lower The Sprint: T-6 to T-2 (4 weeks) Most makers start LinkedIn outreach inside the final week .…