Case Study
How We Scaled Ad Spend 68x Without Losing Efficiency
A health and wellness brand* came to us with growth outrunning the campaign infrastructure meant to support it. As monthly spend climbed from five figures into six and then seven, the brand needed a system that could absorb that growth without the usual tradeoff: rising cost per acquisition and thinning returns. This is how a creative-level campaign architecture let spend scale 68x over 17 months while cost per acquisition kept improving.
*Client name withheld by request
Objective
Scaling Without the Usual Ceiling
Most brands that scale ad spend quickly hit a point where growth and efficiency start working against each other. New budget chases the same audiences the existing campaigns already reached, frequency climbs, and cost per acquisition creeps upward even as total conversions grow. The brand wanted to avoid that outcome entirely: scale spend aggressively across CTV and Display while holding, or improving, the cost of each new customer.
The objective was to build a campaign structure that could keep scaling spend quarter after quarter without the account's efficiency metrics moving in the wrong direction.
Challenges
Growth That Doesn't Erode Performance Diminishing Returns Hiding Inside a Single Campaign
When a handful of creative assets sit inside one shared campaign, the algorithm optimizes toward the account's overall goal, not toward each asset's individual ceiling. A top-performing video can still be pushed past the spend level where its own returns start dropping, because the campaign as a whole looks healthy. That masking effect is a common way brands lose efficiency while scaling: the account-level numbers hold up right up until they don't.
Every Creative Has Its Own Point of Diminishing Returns
Not every piece of creative can absorb the same amount of spend before performance degrades. Some assets have room to scale several times over; others reach their ceiling quickly. Without visibility into where each creative sits relative to its own ceiling, it's difficult to know whether new budget is going toward assets that can still perform or toward assets already past their peak.
Adding New Creative Without Disrupting What's Working
Sustained scale requires a constant stream of new creative entering the account. But folding new assets into existing campaigns risks disrupting delivery for creative that is already performing well. The brand needed a way to introduce new creative on its own track, without resetting or diluting the campaigns already proven to work.
Solution
A Dedicated Campaign for Every Piece of Creative
We rebuilt the account's campaign and funnel structure around a simple principle: give every individual piece of creative its own dedicated campaign. Rather than grouping assets together and optimizing toward a blended average, each piece of creative was isolated so it could scale on its own merits, and pull back the moment its own returns started to decline.
Isolate Each Creative Asset
Every video and display asset ran in its own campaign, with its own budget and its own performance data. This made it possible to see, asset by asset, exactly how much spend a given piece of creative could support before its ROAS started dropping off.
Scale Each Campaign to Its Point of Diminishing Returns
With performance isolated at the creative level, we could push spend on each campaign right up to the point where returns started dropping off meaningfully, and no further, keeping the account's overall economics intact.
Repeat the Structure for Every New Creative
As new creative entered the account, it followed the same dedicated-campaign structure from day one, tracked and scaled independently rather than blended into existing campaigns. This let the account keep adding new spend capacity without disturbing the campaigns already performing well.
Balance Channel Mix for Volume and Efficiency
CTV and Display were run in tandem rather than treated as competing budgets. Over the most recent 90 days, CTV has been the primary driver of conversion volume, while Display has operated as the account's efficiency engine, returning 4.1x to 4.4x ROAS compared with roughly 1.7x to 1.9x on CTV. Running both channels together let the account capture CTV's reach without sacrificing the return that Display consistently delivers.
Results
Spend and Efficiency Grew Hand In Hand
Monthly programmatic spend grew from $13.7K in February 2025 to a peak of $938K in July 2026, a roughly 68x increase over 17 months. Throughout that entire period of growth, ROAS held in a healthy 1.5x to 4.3x range rather than degrading as budget scaled, which is the outcome the creative-level structure was built to produce.
Efficiency Improved Even as Spend Nearly Doubled
Quarter over quarter, spend grew from $1.59M to $2.33M, a 47% increase. Conversions grew faster, from 12,653 to 20,451, a 62% increase, while cost per acquisition dropped from $125.38 to $114.01, a 9% improvement. ROAS moved from 1.98x to 2.16x over the same period. Spend nearly doubling while CPA improves is the exception rather than the rule in programmatic advertising, and it's a direct result of scaling each creative individually rather than as a single blended pool.
Channel Mix Matters as Spend Scales
Within the last 90 days, CTV and Display have played distinct roles. CTV has driven the bulk of conversion volume, giving the account the reach it needs to keep absorbing new spend. Display has done the opposite job, returning 4.1x to 4.4x ROAS against CTV's 1.7x to 1.9x, keeping the account's blended efficiency in check while CTV drives growth. Neither channel alone would have produced this combination of scale and efficiency.
A Structure Built to Keep Scaling
The dedicated-campaign approach gives the account a repeatable path for continued growth. Every new piece of creative enters the same structure, gets pushed to its own point of diminishing returns, and adds to the account's scale without putting existing performance at risk. That repeatability, more than any single quarter's numbers, is what has let this account grow from a five-figure monthly spend to a seven-figure quarterly investment without losing the efficiency that made the growth worth pursuing.
Otherside
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