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The first 90 days decides whether the client trusts you for the next 18 months. Move too fast on two weeks of data and you spend the rest of the year proving you did not break it.
Inheriting an account is the highest-leverage moment in any client engagement. Build trust in week one and you have 12 months of runway. Move too fast on two weeks of data, or sit too long on real signal, and you spend 90 days catching up to your own onboarding. Here is the cadence that keeps the action intensity matched to the data.
Phase transitions are driven by data milestones, not calendar dates. Each phase has its own posture.
| Phase | Weeks | Posture | Exit criterion |
|---|---|---|---|
| Stabilization | 1 to 4 | Conservative (waste prevention via negative-keyword-analyzer) | 30+ accumulated conversions |
| Optimization | 5 to 8 | Balanced (run ppc-experiment-finder, test ad copy via rsa-headline-generator) | CPA within 20% of target |
| Growth | 9 to 12 | Aggressive (use scaling-playbook before increasing budget) | Sustained at-target performance |
| Graduation | 12+ | Weekly cadence handoff (weekly-pulse) | Ongoing |
| Conversions per month | Phase 1 to 2 | Phase 3+ |
|---|---|---|
| Under 15 | Manual CPC or Max Clicks | Manual CPC |
| 15 to 30 | Enhanced CPC | tCPA cautious |
| 30 to 50 | tCPA cautious | tCPA standard |
| 50+ | tCPA standard | tROAS if values exist |
The first 90 days of a Google Ads engagement decide whether the client stays or leaves. Aggressive optimization on two weeks of data is malpractice. Conservative caution at Week 10 with 200 conversions of evidence is cowardice. Most onboarding failures are mismatch between data maturity and action intensity, in either direction. This framework defines what is appropriate at each phase so you stop scaling on noise and stop sitting on signal.
Data confidence determines what you can do, and this is not negotiable. Match action intensity to data maturity: conservative during stabilization (weeks 1 to 4, when data is thin), balanced during optimization (weeks 5 to 8, when patterns emerge), aggressive during growth (weeks 9 to 12, when evidence supports confident decisions). Phase transitions are driven by data milestones, not calendar dates: stabilization exits at 30+ accumulated conversions, not at week 4. New accounts and inherited accounts also need fundamentally different treatment. New means conservative bids and tight match types until data exists. Inherited means a forensic baseline audit, then sequential fixes, never a sweeping weekend rebuild.
Use this any time you take over a new account, whether brand-new or inherited, and whenever a client expects “results in week one” so you can set expectations honestly. It applies across verticals with calibration: ecommerce moves through phases faster (high data velocity), B2B SaaS slower (extend stabilization to 6 weeks, optimization to 10), local services need call tracking from day one, and high-value verticals require tighter pause thresholds because every click costs $50 to $200. It does not apply when conversion volume is too low for the framework to ever exit stabilization. Below 5 conversions in 4 weeks, escalate explicitly: the standard framework requires data this account is not generating, and pretending otherwise produces false confidence.