
A full SaaS audit gets you control. A quarterly review keeps it. Without a recurring check, spend drifts right back: new trials convert, seats creep, tools accumulate, renewals process unnoticed. This is a 60-minute quarterly routine — a fixed agenda you run four times a year to keep your software spend from sliding back into chaos. Put it on the calendar as a recurring event today.
Pull your current tool inventory and the list of anything that's changed since last quarter — new signups, new trials, departed employees. (If you don't maintain a live inventory, this prep is where a billing inbox or an automated scan earns its keep.)
For each new tool: assign an owner and confirm it's intentional, not drift.
This is the highest-value 15 minutes — catching renewals before they lock in.
Keep a simple running scorecard so you can see the trend:
| Metric | Q1 | Q2 | Q3 | Q4 |
|---|---|---|---|---|
| Total tools | ||||
| Monthly spend | ||||
| Waste ratio | ||||
| Tools cut this quarter | ||||
| Savings captured |
The point isn't any single number — it's the direction. A waste ratio creeping up quarter over quarter is the early warning that spend is drifting before it becomes a problem.
Monthly is too often for a founder's bandwidth; annual is too rare — a year of drift is a lot to unwind. Quarterly catches renewals within their review windows, surfaces new tools before they entrench, and keeps the waste ratio honest, all in an hour you can actually protect. It's the cadence that fits a busy operator and still keeps spend controlled.
The review works best when the prep is done for you. InvoiceAgent scans your connected billing inbox continuously, so when review time comes you already have the new tools, trial conversions, and upcoming renewals surfaced — turning a research project into a 60-minute decision meeting. Schedule the recurring event, run the agenda, track the trend. Four hours a year keeps your software spend from quietly getting away from you.
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