Solopreneur AI OS — Rate & ROI Calculator

v0.8

Offline Floor-Rate Engine, Value-Based Project Quoter & Retainer Structurer

1. Operational & Project Parameters

Personal profit after expenses and taxes.

Excludes admin, sales, and R&D hours.

Accounts for vacation, holidays & sick days.

Current Project & Client ROI Sizing

Used to anchor your proposal against quantifiable client upside.

Walk-Away Floor Rate
$80 / hr

Never accept work below this hourly threshold.

Specialist Target Rate
$108 / hr

Includes 35% high-leverage margin for specialist positioning.

Annual Gross Target
$92,160

Total annual billing required to hit net goals.

2. Recommended Fixed-Fee Project Proposal

6.2x Client ROI Multiple
Recommended Project Quote $3,888 36 buffered hours
50% Kickoff Deposit (Day 0) $1,944 Required before sprint kickoff
50% Sign-Off Balance $1,944 Prior to production key transfer

3. Recurring Monthly Retainer Upsell Packages

Essential Assurance
$1,026 / mo

10 hrs/mo allocation (5% discount)

  • - Core monitoring & bug fixes
  • - 48-hour SLA response time
Growth Partner (Best)
$1,944 / mo

20 hrs/mo allocation (10% discount)

  • - Continuous feature sprints
  • - Priority 24-hour SLA & bi-weekly sync
Fractional Lead
$3,672 / mo

40 hrs/mo allocation (15% discount)

  • - Dedicated weekly roadmap execution
  • - Same-day Slack/Teams advisory access