Use complete costs, consistent denominators and actual learning outcomes; reported retention gains are not Academy forecasts.
Full202sheet examination; worked examples and onboarding figures inspected.
Paraphrase and reviewer calculations: sheet71 combines sunk acquisition spending and speculative missed revenue, and $10,900 monthly is $130,800 annually;118 labels gross income/spend ratios as ROI;143 stacked-offer percentages lack consistent endpoints.139–142 aligns promise, onboarding and progress.
149
71
Chapters5,11,13; PDF-sheet locators
Verified presence in supplied copy; not independent verification of author case outcomes. Relevant image pages and native enlargements examined.
See the complete critical review for the chapter map, calculations, Census context, image limitations and proposed applications. Evidence presence is verified; claims of causal effectiveness remain unverified.