Profit & POAS
Cost of Goods Sold: The One Field Almost No Online Store Fills In
Cost of goods sold is the field almost no online store fills in. Why the blank COGS field breaks margin, POAS and break-even ROAS, and the 15-minute fix.
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Profit & POAS
Profit metrics for e-commerce: POAS, MER, COGS, customer lifetime value and the math that separates revenue growth from actual profit.
Profit & POAS
POAS vs ROAS: How Returns Quietly Flip the Right Decision
POAS vs ROAS: two campaigns with identical ROAS can deserve opposite decisions once returns enter the math. How POAS counts refunds and corrects Google Ads.
Profit & POAS
Customer Lifetime Value, Without the Myths: Cohorts, CAC Payback and What a Customer Is Really Worth
Customer lifetime value is the most misquoted number in e-commerce. How cohort tables work, what real repeat-purchase data says, and what to pay per customer.
Profit & POAS
POAS: The Metric That Tells You If Your Ads Actually Make Money
ROAS measures revenue, not profit. POAS divides real profit by ad spend, so break-even is always 1.0. What it is, why it matters in 2026, and how to use it.
Profit & POAS
Blended ROAS and MER, Explained
What blended ROAS and MER are, how to calculate them, why they survive the attribution crisis, and how to set a target from your margin. With a free calculator.