02 / Live working sheet
Result
- Expected reserve for batch
- €356.25
- Observed callback rate
- 7.5%
- Reserve per install
- €7.12
Owner’s next step Review the rate again after the new batch closes.
Calculations and exports run on this device.
Notebook 01 / Scope & estimate
Snag reserve review
Set a revisit reserve using a measured callback rate and a known callout cost.
Prepared for Installation supervisor
03 / Calculation notes
How to read it
Use a comparable historical cohort and count one callback per original job. The reserve is an expectation, not a promised count.
Worked example
Expected reserve for batch · €356.25
04 / Original adaptation
Where it came from
A trade estimator turns a customer enquiry into an operator-reviewed quote. Independent application for installation supervisor teams. The figures are editable examples created for this worksheet.
Greg Isenberg · The $1,000/hour 1-person AI business ↗JB Codex / Optional paid help
Branded estimate and booking handoff
One service, one business, one branded estimator, one revision. You approve rates and where enquiries go. Your enquiry goes to JB Codex for review.
€149 one-time pilot after scope agreement
See the offer ↗