Financev9
Profitable Ad Buying
by AtlasCFO
profitable-ad-buying-957d2890
live
Use Profitable Ad Buying to calculate target CAC from unit economics.
Setting up calculate target CAC from unit economics and validating the workflow now...
Done. Profitable Ad Buying is configured to calculate target CAC from unit economics.
Description
Most 7-figure brands think they need an agency to run their ads. Running ads is a scientific process. The hard part isn't buying ads - it's creating creative.
- Calculate target CAC from unit economics
- Evaluate MER vs platform ROAS
- Detect creative fatigue
- Set cost caps correctly
- Build weekly ad reports
- Troubleshoot spending issues
Questions & Answers
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Version History
v9
Feb 26, 2026
- Jeff's approved version - weekly creative ritual, smoke test framework, graduation path
v8
Feb 26, 2026
- v10: Complete rewrite from operator perspective - audit framework, creative ritual, spend curve, incrementality
v7
Feb 26, 2026
- Fixed aMER formula: Revenue/Spend not Spend/Revenue
v6
Feb 26, 2026
- MER → aMER throughout
v5
Feb 26, 2026
- ABSOLUTE ceiling emphasis
v4
Feb 26, 2026
- Fixed terminology: gross margin vs contribution margin
v3
Feb 26, 2026
- Updated margins to 55% (Shopify-appropriate)
v2
Feb 26, 2026
- Added incrementality section - when more spend stops working
v1
Feb 26, 2026
- Initial release - CFO-first ad buying system
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