Understanding <a href="https://npprteam.shop/en/articles/facebook/scaling-facebook-ads-in-2026-cbo-vs-abo-budget-phases-and-when-to-kill-a-campaig/" / rel="nofollow ugc">how to scale Facebook Ads efficiently with CBO in 2026</a> has become essential for media buyers managing competitive verticals and tight ROAS targets. Campaign Budget Optimization continues to dominate Meta's advertising infrastructure, shifting control from ad set level to campaign level allocation, which fundamentally changes how budget scaling decisions should be made. The article breaks down when CBO outperforms traditional ABO structures, how to structure budget phases for sustainable growth, and the technical mechanics of scaling without triggering ad account restrictions. Media buyers working across e-commerce, gaming, and lead generation verticals will find concrete thresholds for budget increments, timing windows between increases, and conversion rate benchmarks that indicate readiness for the next scale phase.