Creative fatigue is the silent killer of ad performance in 2026. While manual editors struggle to output just a few videos a week, top performance marketers are generating dozens of unique Instagram Stories daily using AI. Here is the exact tech stack separating the winners from the burnouts. TL;DR: Instagram Stories for E-commerce Marketers The Core Concept E-commerce brands face immense pressure to produce daily Ephemeral Content to maintain audience attention. Manual production is too slow, leading to creative fatigue and plummeting ROAS. The Strategy Top brands use generative ad tech to transform static product pages into dozens of high-converting video variants instantly. This allows for rapid A/B testing of hooks, formats, and Shoppable Tags without increasing headcount. Key Metrics Creative Refresh Rate: Target 7-14 days to prevent fatigue. ROAS: Aim for a 2.5x or higher return on ad spend. CTR: Target an average CTR above 1.2% for story ads.…