Back to Staff Scheduling & Rostering

ROI and Business Case

Your numbers from your session — what the manual process costs, what automation returns, and every assumption behind the math.

4 pagesPDF · Finance
FS-DOC-02Finance

ROI and Business Case

Staff Scheduling and Rostering

[YourCompany.com] · Operations Department · Prepared by FullSpec · [Today's Date]

This document gives you a clear, numbers-first view of what your current manual rostering process costs, what changes once automation is live, and how quickly the investment pays for itself. Every figure is drawn from your confirmed process mapping session and cross-checked against FullSpec benchmarks. Use this document to make a confident go or no-go decision on the Standard build.

01What the current process is costing you

4.5 hrs/week
Manager time lost to rostering
4 roster cycles per month, fully manual
$6,750/year
Annual staff cost of rostering
At $30/hr across 225 hours per year
2 to 3 days
Time from period start to roster published
Industry benchmark: same day

The three highest-friction steps in your current process each carry their own time cost and a failure mode that compounds across every scheduling cycle.

  • Collect and Log Availability Responses (Step 2, 40 minutes per cycle): The manager manually records replies into Google Sheets and chases non-responders individually. Failure mode: incomplete data delays the entire draft, and a late response from one staff member can force a full rebuild of the roster.
  • Draft Roster Against Availability (Step 4, 60 minutes per cycle): The manager builds the schedule by hand, matching available staff to required shifts. Failure mode: balancing hours across a team of 8 to 25 people manually produces frequent errors, missed overtime thresholds, and inequitable shift distribution.
  • Resolve Scheduling Conflicts (Step 6, 30 minutes per cycle, unpredictable overrun): Gaps and double-ups are resolved by calling and texting staff individually. Failure mode: conflict resolution happens by phone with no audit trail, creating disputes over published hours and pushing the roster publication past deadline.
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02What changes after automation

Once the three-agent system is live, the Availability Collection Agent sends the request, logs every response, and chases non-responders automatically. The Roster Drafting Agent reads the confirmed availability, applies your shift demand rules and award constraints, and prepares a compliant draft, posting only genuine edge cases to Slack for your attention. You review the flagged items and approve the draft. From that single decision, the Roster Publication and Payroll Agent publishes shifts to Deputy, notifies every staff member individually, and exports confirmed hours to Xero at pay-period close. The only step that stays with you is the approval decision, which takes around 20 minutes.

30 min/week
Manager time on rostering after automation
One approval review, nothing else
Instant
Availability collection and staff notifications
Automated from trigger to delivery
Same day
Roster published from period start
From 2 to 3 days down to same-day

03Before and after comparison

Metric
Before (Manual)
After (Automated)
Time spent per roster cycle
4.5 hours
30 minutes
Annual manager hours on rostering
225 hours/year
26 hours/year
Annual staff cost of rostering
$6,750/year
$780/year
Time from period start to roster published
2 to 3 days
Same day
Availability follow-up effort
Manual, repeated chasing by phone and email
One automated reminder, no manual effort
Payroll data entry
Manual re-entry each pay period
Auto-export to Xero at pay-period close
Availability response completeness
~65%, incomplete data delays drafting
95% response rate with automated reminders
Audit trail for published hours
None, disputes resolved by memory
Full log in Google Sheets and Deputy
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04Tool costs

Tool
Plan required
Monthly cost
Annual cost
Already paying?
Deputy
Starter or above (API access required)
$45
$540
Confirm
Google Sheets
Google Workspace (any tier)
$0
$0
Likely yes
Gmail
Google Workspace (any tier)
$0
$0
Likely yes
Slack
Pro or above
$8
$96
Confirm
Xero
Standard or above
$0 incremental
$0 incremental
Likely yes
Google Calendar
Google Workspace (any tier)
$0
$0
Likely yes
Automation platform (orchestration layer)
Appropriate plan for workflow volume
$50 est.
$600 est.
New cost
FullSpec build cost (one-off, Year 1 only)
Standard build
One-off
$2,400
N/A
Total (Year 1)
$3,636
Total (Year 2 onwards)
$1,236
Already using some of these tools? If you are already paying for Deputy, Google Workspace, Slack, and Xero, the only net-new costs are the automation platform (estimated at $600/year) and the one-off FullSpec build fee of $2,400. Your incremental Year 1 spend in that scenario is $3,000, and from Year 2 onwards it is just $600/year. That changes the payback calculation significantly in your favour.

05Net ROI summary

$5,514
Net saving in Year 1
After all tool and build costs
4 months
Payback period
Build cost recovered in under one quarter
Line item
Amount
Annual staff cost saved (225 hrs at $30/hr)
$6,750
Annual tool costs (all tools, Year 1)
$1,236
One-off FullSpec build cost (Year 1 only)
$2,400
Net saving Year 1
$5,514
Net saving from Year 2 onwards
$6,114/year
Break-even point
Month 4 after go-live
The three-year net saving at current volume and rates is $17,742 ($5,514 in Year 1, then $6,114 in each of Years 2 and 3). Every additional staff member added to the roster, or any increase in roster frequency, improves these figures further.
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06Assumptions log

Assumption
Value used
Source
Manager hourly rate (all-in cost)
$30/hr
Confirmed in session
Hours spent on rostering per week (current state)
4.5 hours
Confirmed in session
Roster cycles per month
4 cycles/month
Confirmed in session
Annual manager hours on rostering (current)
225 hours/year
Confirmed in session
Annual manager hours on rostering (after automation)
26 hours/year
FullSpec estimate
Annual staff cost saved
$6,750/year
Calculated from confirmed rate and hours
Residual manager time after automation (approval only)
30 min/week
FullSpec estimate
Deputy monthly cost
$45/month
Confirmed in session
Slack monthly cost
$8/month
Confirmed in session
Automation platform monthly cost (estimate)
$50/month
FullSpec estimate
FullSpec Standard build cost (one-off)
$2,400
FullSpec pricing
Availability response rate after automation
95%
FullSpec benchmark
Availability response rate before automation
~65%
FullSpec estimate
Payroll entry cost (Xero, incremental)
$0 additional
FullSpec estimate
Roster publication turnaround (current)
2 to 3 days
Confirmed in session
Roster publication turnaround (after automation)
Same day
FullSpec estimate
Payback period
4 months
Calculated from build cost vs monthly saving

These numbers are calculated at your current roster size of 8 to 25 staff and 4 cycles per month. If your team grows, or if you move to more frequent scheduling windows, the hours saved and the annual staff cost saving both increase proportionally without any change to the tool costs or the build cost, which are fixed. Conversely, if your manager's all-in hourly rate is higher than $30, the saving increases accordingly: at $40/hr the annual saving rises to $9,000 and the payback period falls to under three months. If you are already paying for all the named tools today, the one-off build cost is the only new spend, and break-even is reached within the first two roster months after go-live. The FullSpec team can rerun these figures with your exact rate at any point. Contact the team at support@gofullspec.com with any questions about the assumptions or to request a scenario with different inputs.

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