Q4
Competition was about to peak
October through December brings higher traffic and higher auction pressure. More sales were available, but careless bidding could erase the margin.
Amazon Q4 case study · US marketplace
Spend barely moved.
Revenue more than doubled.
BirdieBall entered the most competitive quarter of the year with a solid account. The goal was not to rebuild it. It was to scale without losing the efficiency and organic strength already in place.
BirdieBall Q4 2025
AMAZON US
October to December
+6%spend+109%
Revenue grew from $26.1K to $54.6K while advertising became more efficient.
$118,590Q4 total revenue
+30.4%Year-over-year revenue
23.62% → 12.65%ACoS improvement
11.2% → 5.7%TACoS improvement
The challenge
Scale a good account
without breaking it.
BirdieBall already had relevant listings, a structured PPC account and stable organic rankings. Q4 would test whether that foundation could handle more traffic while auctions became more competitive.
October foundationSeller Central
52.6% organic shareMore than half of October revenue arrived without a paid click, so scale could not come at the expense of organic demand.
$
More budget was not the strategy
The goal was to make existing spend work harder through relevant keywords, calibrated bids and consistent negative targeting.
55%
Organic contribution had to stay strong
Paid campaigns needed to support ranking and discovery while organic revenue remained above half of total sales throughout the quarter.
How we managed Q4
Build signal in October.
Compound it through December.
The account was managed as one continuous learning cycle. Each month’s search term and conversion data sharpened the next month’s decisions.
01
Protected campaign structure
Kept targeting relevant and separated by intent so discovery, ranking and proven keywords could be managed without competing against one another.
02
Calibrated bids to economics
Adjusted bids around conversion, seasonality and placement performance rather than chasing traffic at any cost during Q4 auction pressure.
03
Harvested the strongest signals
Moved efficient search patterns into controlled exact-match targeting as October and November produced reliable purchase data.
04
Removed waste continuously
Maintained negative terms and reduced weak traffic so December spend fell below November even as PPC sales reached their quarterly high.
The results
Higher revenue.
Lower advertising pressure.
Revenue climbed every month, while ACoS and TACoS moved in the opposite direction. The account scaled because paid efficiency and organic strength improved together.
Monthly revenue
$26.1K→$54.6K
ACoS
23.62%→12.65%
TACoS
11.2%→5.7%
PPC conversion rate
9.3%→19.2%
Quarterly trajectory
Ad spend stayed controlled while revenue accelerated.
Spend increased from $2,924 in October to $3,100 in December. Over the same period, revenue increased from $26,086 to $54,600 and PPC sales nearly doubled.
OCT
The foundation
759 units · 23.62% ACoS · 11.2% TACoS
NOV
The breakout
1,301 units · 20.13% ACoS · 9.0% TACoS
DEC
Peak efficiency
1,560 units · 12.65% ACoS · 5.7% TACoS
October · signal building
November · controlled breakout
December · strongest efficiencyThe takeaway
BirdieBall did not win Q4 by outspending competitors.
It won by turning each month’s data into sharper targeting, stronger conversion and more organic demand. By December, every advertising dollar was working harder than it had in October.
December efficiency
5.7% TACoS·55.1% organic
Ready to scale without wasting Q4?
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