Worked example with assumed numbers. Not a customer.
All Worked Examples
Plumbing · Worked Example

Solo Plumber

An assumed solo plumber who gets 10 inbound calls a day and can't answer the phone while under a sink, on a ladder, or driving between jobs.

$2,530
Example Monthly Gain, After VoiceCharm's Cost
40%
Assumed Missed Call Rate
10
Assumed Calls Per Day
$110/mo
50¢ a minute, billed by the second, no monthly fee

Every number on this page is an assumption we chose, then arithmetic. None of it was measured from a customer. Change the inputs and the result changes with them.

Industry Context

A solo plumber is the technician, the estimator and the receptionist. With hands in a pipe for much of the day, some calls go to voicemail, and a caller who gets voicemail can ring the next plumber on Google. This example assumes 40% of calls are missed and that a job is worth $500. Put in your own numbers; the arithmetic is the same.

A caller who reaches voicemail can hang up without leaving a message
A plumber in the middle of a job often can't get to the phone
Emergency calls come in at night and on weekends too
The caller's next call can be to another plumber

The Problem

A solo plumber handles everything — estimates, repairs, parts runs, billing. With hands in pipes for hours a day, a share of the calls go unanswered. In this example that's 88 missed calls a month, and each one could have been a job.

What VoiceCharm Does Here

  • Answers the calls you miss, at any hour, with a real conversation
  • Asks the questions you chose (a leak or a fixture install? how urgent?)
  • Asks the question you'd ask ("Is water actively leaking right now?") and emails you their name, number, address and answer the moment the call ends
  • Marks the email URGENT when the call is urgent
  • Keeps the full transcript and recording in your dashboard
Features in This Example
Missed-Call ForwardingYour Intake QuestionsEmailed Lead BriefAfter-Hours CoverageUrgent Flag

Before & After in This Example

Without VoiceCharm

Missed calls reaching voicemail88/mo
Revenue at risk/month$26,400
After-hours coverageVoicemail
Lead details after a missed callNone
Cost of current setup$0 (voicemail)

With VoiceCharm

Missed calls reaching voicemail0 (forwarded to the AI)
Revenue recovered/month+$2,640
After-hours coverageAI answers 24/7
Lead details after a missed callEmailed after each call
VoiceCharm cost$110/mo

ROI Calculation

Assumptions

Calls per day10
Current missed call rate40%
Assumed job value$500
Working days per month22
Share of answered calls that become a job60%
Share of at-risk revenue won back10%
VoiceCharm pricing50¢ a minute, billed by the second, no monthly fee
VoiceCharm monthly cost$110/mo

What the Arithmetic Gives

Missed calls per month88 calls
Revenue at risk$26,400
Assumed won back$2,640 (10% of that)
Monthly gain$2,530 after VoiceCharm's $110
Twelve months of that$30,360
PaybackOne $500 job covers the month

Cumulative Gain in This Example

Month 1
Without VC
$0
With VC
+$2,530
Month 3
Without VC
$0
With VC
+$7,590
Month 6
Without VC
$0
With VC
+$15,180
Month 12
Without VC
$0
With VC
+$30,360

Ready to Stop Missing Calls?

Your first 30 minutes are free. Then you'll have real numbers: how many calls you miss and what each one was about.

Start FreeDownload This Example

First 30 minutes free · then 50¢ a minute · no monthly fee · card required