Decide whether to report by order date, ship date, or delivery date, then stick to it. Use cohort views to separate acquisition quality from seasonality. Support fiscal variants, holidays, and cutoff rules. These choices prevent reconciliation churn and protect trend analyses from avoidable distortions.
Standardize how discounts, freight, duties, and payment fees roll into COGS and net revenue. Align marketing allocations across channels and consider cost capitalization rules where applicable. Pair CAC with gross margin to show true payback velocity, spotlighting segments worth acceleration and campaigns deserving a graceful sunset.
Offer first‑touch, last‑touch, and data‑driven options, documenting assumptions and limitations. Encourage experiments that validate modeled influence, like geo holdouts or matched‑market tests. When leaders see sensitivity across models, they stop arguing absolutes and focus on patterns that persist regardless of the chosen lens.
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