Blended LN0 CAC on target at $9.01
Account-wide CAC is hitting the $9 target across the new structure. Stable performance.
C2 tROAS ($8.61) beating C1 tCPA ($9.37)
The tROAS algorithm is finding better users at lower cost. This is the Week 5 signal the architecture doc said to watch for.
Retargeting crushing it at $3.89 LN0 CAC
"Eligible no LN0" ad group at $2.30 is the best CAC in the entire account. Warm audience, high conversion rate.
Salaried Workers at $7.91 vs $12 target
34% under CAC ceiling. The niche premium assumed in the architecture doc isn't materializing — there's room to scale.
EasySave PMAX still running — $3.6K/mo waste
Zero LN0 conversions. Only Savings_AccountCreated events. Architecture doc says KILL. Every day these run is wasted budget.
C1 & C2 are NOT mirroring ad groups
C1 has Emergency+Kids active; C2 has Market Traders+Flex active. This makes A/B testing tCPA vs tROAS impossible — the architecture violation breaks the test design.
Search Brand (C5) not yet live
Competitors may be bidding on "fido" brand terms unchallenged. Attribution webhook is already configured — no blocker to launch.
Retargeting budget too low
At $3.89 CAC and only 4% of spend. Architecture doc rule: "If UACe delivers CAC <$5 after 2 weeks — scale to 8-10%." Currently under-investing in the most efficient channel.