BidWar Audit

Estimated monthly waste from internal bid wars

$569/mo

±30% confidence range: $398 – $740

Structure score: 30%
Findings: 10
Period: 36 days
Locale: en-US

Generated 2026-05-27 · core v0.1.4

Executive summary

10 findings — estimated $398–$740 / month wasted on overlap.
See "Critical findings" for keyword-by-keyword recommended actions.
Healthy structure score: 30%.

Critical findings

Top 10 by severity. Address these first.

“wireless headphones”

Definite bid war

Estimated waste: $334 – $620 · Combo: AUTO+BROAD+EXACT

Campaign	Match	Clicks	Spend	Orders	ACoS
Camp-Exact-Alpha	EXACT	714	$1,039	77	31%
Camp-Exact-Beta	EXACT	654	$1,015	69	34%
Camp-Auto-Discovery	AUTO	866	$1,048	62	42%
Camp-Auto-Discovery2	AUTO	786	$984	56	42%
Camp-Broad-Headphones	BROAD	525	$683	56	31%

“bluetooth speaker”

Definite bid war

Estimated waste: $74 – $137 · Combo: BROAD

Campaign	Match	Clicks	Spend	Orders	ACoS
Camp-Broad-Speaker	BROAD	447	$429	50	24%
Camp-Broad-Speaker2	BROAD	424	$446	44	28%

“yoga mat”

Definite bid war

Estimated waste: $40 – $74 · Combo: PHRASE

Campaign	Match	Clicks	Spend	Orders	ACoS
Camp-Phrase-Yoga	PHRASE	290	$234	26	25%
Camp-Phrase-Yoga2	PHRASE	270	$243	25	28%

“gaming mouse”

Possible overlap

Estimated waste: $12 – $23 · Combo: BROAD+EXACT

Campaign	Match	Clicks	Spend	Orders	ACoS
Camp-Broad-Gaming	BROAD	363	$454	37	29%
Camp-Exact-Gaming	EXACT	313	$438	36	29%

“gaming mouse wireless”

Possible overlap

Estimated waste: $6 – $12 · Combo: AUTO+BROAD

Campaign	Match	Clicks	Spend	Orders	ACoS
Camp-Auto-Gaming	AUTO	198	$228	21	28%
Camp-Broad-Gaming	BROAD	174	$223	19	29%

“noise cancelling headphones”

Possible overlap

Estimated waste: $4 – $8 · Combo: BROAD+EXACT

Campaign	Match	Clicks	Spend	Orders	ACoS
Camp-Exact-Alpha	EXACT	74	$119	11	26%
Camp-Broad-Headphones	BROAD	137	$179	15	29%

“espresso grinder”

Possible overlap

Estimated waste: $3 – $5 · Combo: AUTO+EXACT

Campaign	Match	Clicks	Spend	Orders	ACoS
Camp-Auto-Kitchen	AUTO	150	$167	16	25%
Camp-Exact-Kitchen	EXACT	148	$200	20	25%

“yoga mat non slip”

Possible overlap

Estimated waste: $2 – $3 · Combo: AUTO+PHRASE

Campaign	Match	Clicks	Spend	Orders	ACoS
Camp-Auto-Fitness	AUTO	93	$79	9	26%
Camp-Phrase-Yoga	PHRASE	55	$51	6	26%

“coffee grinder”

Possible overlap

Estimated waste: $2 – $3 · Combo: AUTO+EXACT

Campaign	Match	Clicks	Spend	Orders	ACoS
Camp-Auto-Kitchen	AUTO	90	$95	10	24%
Camp-Exact-Kitchen	EXACT	102	$131	13	24%

#10

“over ear headphones”

Possible overlap

Estimated waste: $2 – $3 · Combo: AUTO+EXACT

Campaign	Match	Clicks	Spend	Orders	ACoS
Camp-Exact-Alpha	EXACT	50	$75	6	26%
Camp-Auto-Discovery	AUTO	117	$138	12	29%

Healthy structure score

30 / 100

Overlap density0 / 40

Match-type diversity18 / 20

Negative-keyword usage12 / 20

Campaign concentration0 / 20

Bid war map

Top 10 most-wasteful overlaps, by estimated wasted spend.

Methodology & privacy

This report was generated entirely in your browser. Your CSV was never transmitted to our servers. We see only your email and Stripe payment id.

The detection algorithm is open source under the Apache-2.0 license — see the amazon-ppc-overlap npm package and source repository for the exact rules and inflation factors used.

Confidence interval (±30%) reflects empirical second-price-auction modelling; treat headline numbers as estimates, not contracts.