Insights · Comparison
Paid search versus earned citations: cost per qualified inquiry
Paid search buys each inquiry at the current auction price, which rises as competition rises and stops producing the moment spend stops. Earned citations, being named in the answers engines give, are built through entity, authorship and authority content, cost the same whether they produce ten inquiries or a thousand, and compound as trust builds. Measured on cost per qualified inquiry over a year or more, earned demand typically becomes the cheaper source and keeps producing without spend. The honest comparison requires one definition of a qualified inquiry, attribution that counts calls and forms by source, and a baseline before the program begins.
At a glance
The criteria that decide it.
| Criterion | Paid search | Earned citations |
|---|---|---|
| Cost behavior | Per inquiry, at auction, rising with competition | Fixed program cost spread across all inquiries |
| Time to results | Immediate | Months; compounds afterward |
| When spend stops | Inquiries stop | Inquiries continue |
| What it requires | Budget, governance, tracking integrity | Experts, editorial program, entity work, measurement |
| Control | High: spend and targeting adjust daily | Lower: engines decide what to cite |
| Measurement | Cost per qualified inquiry by campaign | Share of voice, citations, inquiries by source |
Criteria
Each one, explained.
Cost behavior
A paid inquiry costs what the auction charges that day. In professional categories the price has risen for years as more firms bid for the same terms. An earned inquiry costs a share of a fixed program; as citations and inquiries grow, the cost per inquiry falls.
Time and persistence
Paid search produces inquiries the day it starts and stops the day it stops. Earned citations take months to build and continue producing after the work that built them, because the pages, the entity and the trust remain.
Measuring honestly
The comparison fails without one definition of a qualified inquiry, conversion tracking that counts real inquiries rather than platform-counted conversions, attribution that includes calls, and a baseline. With those in place the monthly evidence report shows both sources on the same measure.
Governance
Paid search should not be abandoned on principle. It should be governed on a flat fee against cost per qualified inquiry, with a mandate to reduce spend as measured earned demand replaces it. The quarterly spend review is where that decision is made on evidence.
Recommendation
Who each option suits.
Run both at the start, measure both on cost per qualified inquiry, and shift budget as the evidence directs. Organizations spending heavily on paid search should expect the earned program to reduce that spend over time and should choose a manager with no incentive to prevent it. Organizations that cannot afford paid search should build earned demand first; it is slower and it lasts.
Related
Where this applies.
By David Selakovic · Published 2026-10-16 · Revised 2026-10-16 · Reviewed every 180 days