Automation shines when you feed it trustworthy signals. Introduce tCPA or tROAS only after confirming conversion tags, deduplicating events, and validating micro-to-macro conversion correlation. Use conservative targets at first, allowing the system to explore. Consider portfolio strategies once multiple campaigns share true objectives. Keep annotations for target changes and promotions. If learning becomes erratic, step back to a stable manual setup temporarily. Smart bidding becomes an ally when your inputs are clean and intentional.
Manual CPC helps isolate creative effects by holding ad rank steadier across iterations. Start with device and location modifiers grounded in historic performance, then layer audience adjustments as observation learns. Avoid constant bid nudging; schedule planned reviews aligned with your iteration cadence. Stability reduces noise, turning asset comparisons into credible insights. When confidence grows, transition selectively to automation where it will scale your verified angles rather than obscure them with unexplained swings.
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