Choose which service to advertise using contribution and qualification

Start from the job your team can deliver

A small budget should support a clear business objective, such as more suitable repair appointments or a specific installation service with available capacity. Avoid selecting a priority merely because a keyword feels broad or familiar. List the services, the customers you can serve, and the variable costs of fulfilling each. This guide's contribution worksheet is a management recommendation; it is not a Google ranking factor or a platform requirement.

Source checks: Understand your conversion tracking data · About keyword matching options

Match reports to one consistent outcome

Review the conversion action used by each campaign and the service recorded by staff. A platform conversion can represent a configured interaction, while the requested service tells you what the potential customer actually needed. Use the same qualification definition across clusters. If one group counts phone taps and another counts completed quote forms, repair the comparison first. Keyword matching can reach related requests, so do not infer every customer's service from the purchased keyword.

Build a compact service comparison

For each cluster, collect spend, distinct inquiries, suitable inquiries, completed jobs, and contribution per completed job before advertising. Subtract materials, subcontractor charges, and other variable fulfillment costs using the same method. Record missing cost data explicitly. Show a separate row for requests that cross several services until staff confirm the job. Do not distribute one inquiry to every cluster because it mentioned several possible repairs.

Use contribution to frame the next budget test

Calculate contribution after advertising as completed jobs multiplied by their average pre-ad contribution, less the attributable ad spend. Compare that result with capacity and the reliability of the sample. A service with a larger sale price may also consume much more labor or equipment. Another may be easier to schedule and produce useful repeat work, but do not add speculative future revenue to the worksheet unless it has a documented basis.

Investigate weak qualification before dropping a service

If a cluster attracts many unsuitable requests, inspect the ad promise, keyword matches, and destination. Customers may be asking for a related service you do not offer, or expecting a price structure the page never explains. Tighten the offer before concluding that the whole service lacks demand. Conversely, strong qualification with poor completion may indicate scheduling or sales follow-up problems. These are different fixes from changing the keyword list.

Keep the review narrow enough to learn

Choose one service allocation change and record the rationale, maximum spend exposure, and review date. Leave other major settings stable where practical. Compare completed work after enough time for the normal sales cycle; a booking pipeline is not finished revenue. Document fixed overhead separately so contribution is not mislabeled as profit. The final decision should identify which service to support, which mismatch to correct, and what evidence remains unavailable.

Worked example: illustrative figures

For example, Service A spends $400, completes 8 jobs, and contributes $90 per job before ads: 8 × $90 − $400 = $320. Service B spends $400, completes 4 jobs, and contributes $180 per job: 4 × $180 − $400 = $320. Their completed-job acquisition costs differ ($50 and $100), but contribution after ads is equal. If Service B uses twice the technician time per job, capacity may decide the next test. The illustration excludes fixed overhead and does not predict either service's future demand.

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