Most brands judge their ads on ROAS. But the highest ROAS almost never produces the most profit — and the gap between the two is usually the largest unclaimed number in the business. Four questions tell you which side of your profit peak you're sitting on, and what it's costing you every month.
Every one of these is a number you already know. We'll estimate your cost structure from your category — you can correct it below if you have the exact figures.
All four are entered as a percentage of your average order value. Most founders can't quote these from memory — the category estimate above is a fair starting point, and correcting it later changes the numbers, not the conclusion.
| If this improves | Profit / month | Annualised | Break-even ROAS |
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How this is calculated. This uses Z21's standard scaling-decay model — the same one we run in client sessions — applied to the numbers you entered. It is not your account's measured curve. Every account decays at its own rate depending on audience size, creative volume and funnel strength, and that rate can only be measured from your own scaling history. Treat this as a directional read, not a budget decision.
Thirty minutes, your real cost figures, and a strategist walking you through the whole chart — including the optimal spend number this page is holding back.
A one-page version of this result you can forward to a co-founder or your finance lead.
This is your forwardable one-pager. Use Save as PDF below, or print it. A copy is on its way to your inbox.
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