My ROI on <strong data-start="7685" data-end="7700">youtube ads was awful for months&mdash;I kept losing money. PowerAdSpy changed that. By studying which ads in my niche had been running successfully, I cut out weak ideas and focused on proven strategies. Finally, my campaigns turned profitable. It&rsquo;s such a relief after endless trial and error. Do you think ROI improvement comes more from research or just constant testing?