A/B try hooks, thumbnails, captions, and CTAs; rotate creatives weekly

https://telegra.ph/Maximize-TikTok-Story-Engagement-When-to-Buy-and-How-to-Grow-in-2026-04-13

A/B test hooks, thumbnails, captions, and CTAs; rotate creatives weekly, killing fatigue early and prioritizing versions with the most popular of completion expense.