How a single 5-minute source video becomes 50–80 ad variants per week — the HeyGen pipeline I ran with three clients in 2025, the numbers, the disclosure rules, and where it falls short.
A hands-on breakdown of using Runway Gen-3 Alpha for flash-sale video ads under 48-hour deadlines — the four generation patterns that actually deliver, the five failure modes I keep hitting, and the production workflow that got 9 usable clips in 6 hours for $137.
A practitioner's playbook for turning a product spec into ready-to-run Sora video ads — the 6-line brief, the 3-shot story, the prompt skeleton, and the physics rules you can't break.
