Start with contribution per job
Take the selling price of a typical project and subtract the costs that change when you perform that job: materials, job-specific labor, disposal and other variable expenses. Be consistent about where you include estimating and sales costs so you do not count them twice.
The SBA explains contribution margin as the amount available after variable costs, before covering fixed costs and profit. We use that principle below to build a lead-budget example; the lead-pricing formula is our application, not an SBA pricing recommendation.
Build an affordable lead budget
Use the share of all purchased leads that become sold jobs. Do not substitute the close rate on estimates alone. If 20 purchased leads produce eight estimates and two sales, the lead-to-sale rate is 10%, even though the estimate close rate is 25%.
The reserve is money you deliberately leave for fixed costs and desired profit. It is not a standard industry percentage. Estimate it from your own business plan and update the model as completed-job costs become available.
A hypothetical calculation
These are illustrative inputs, not a market price, typical fencing job value or promised conversion rate.
- Average sold job: $6,000.
- Variable installation costs: $4,200.
- Contribution before acquisition: $1,800 per job.
- Lead-to-sale rate: 15%.
- Sales cost allocated per lead: $40.
- Overhead and profit reserve per lead: $130.
The calculation is 0.15 × $1,800 − $40 − $130 = $100 per lead. That is this example’s budget under its assumptions. It is not a quote from FenceLeads.
Test what happens if fewer leads close
Holding the other inputs constant gives the following results:
| Lead-to-sale rate | Calculated lead budget |
|---|---|
| 5% | −$80 |
| 10% | $10 |
| 15% | $100 |
| 20% | $190 |
A negative figure means even a free lead would not meet the model’s sales-cost and reserve targets. It does not mean a supplier owes you money. Revisit the economics, sales process or target job mix.
Use your records before increasing spend
Separate full installations from small repairs, and keep material types separate when their economics differ. Include mandatory acquisition fees in your effective lead cost. Allow enough time for an inquiry to become an estimate and a sale before treating a cohort as complete.
If you have no reliable close-rate history, calculate several scenarios and run a limited pilot you can afford. Treat the first results cautiously. An optimistic assumption cannot make an expensive lead affordable.
For a broader evaluation, read whether paid fencing leads are worth it. For a FenceLeads package, we discuss your area and job mix before proposing a price.
Sources and method
Worked examples are illustrative. They are not industry benchmarks or customer results.
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