27 July 2026
One ad set ate 80% of budget and dragged CPA up 19% Fitness equipment, Campaign Budget Optimization (CBO, one budget split across ad sets by the algorithm), 40d, $130k spend. CBO funneled 80% of daily…
26 July 2026
Switching to 1-day-click erased 22% of 'reported' ROAS Subscription box, 60d, $96k spend, same campaigns measured two ways. Attribution window (how long after a click a sale still counts): — 7-day-cli…
25 July 2026
Advantage+ Shopping took 70% of budget and won Home goods store, 45d, $210k spend, head-to-head split. Advantage+ Shopping Campaign (automated, single-campaign structure) ran alongside a manual 8-ad-s…
24 July 2026
Frequency hit 4.2 — CTR halved before anyone noticed Lead-gen account (insurance), 30d retargeting window, $52k spend. Frequency (avg times one person saw the ad) crept from 1.8 to 4.2 over three week…
23 July 2026
12 creatives per ad set beat 3 by 0.7 ROAS Apparel advertiser, 40d, $88k spend, 4 ad sets per arm. Arm A: 3 polished video ads. Arm B: 12 mixed ads (6 static, 4 UGC video, 2 carousel). ROAS (return on…
22 July 2026
Killing a 14-interest stack cut CPA 27% DTC skincare brand, single ad account, 60d test, $140k spend. The move: collapsed 14 interest ad sets into one broad targeting campaign (no audience definition,…