booferclaus Nº 08 · FREE INSTRUMENTSaaS Metrics Own the Excel + AI — $99
ƒxB2 = starting MRR, per month
✓ Series A metrics
ARR · month 24$1.4Mannual run rate
Net revenue retention100%✓ ≥ 100%
Rule of 40195✓ ≥ 40
CAC payback5.3 mo✓ ≤ 12 mo

The MRR waterfall, month by month

closing MRR new expansion churn

The quarters, at a glance

MonthMRRARRCustomersARPU
Every metric the partner meeting checks.

The $99 Excel model adds the full waterfall, NRR and Rule-of-40 detail, and the companion-AI pack that splits new vs expansion from your billing export.

Own the Excel + AI — $99