E-commerce Glossary
Master the language of e-commerce. Clear, actionable definitions for the metrics that actually matter to your bottom line.
Advertising Cost of Sales (ACoS)
ACoS measures the performance of your Amazon PPC campaigns. Learn the break-even ACoS formula and what a good ACoS looks like.
Average Order Value (AOV)
Average Order Value (AOV) tracks the average dollar amount spent each time a customer places an order. Learn the AOV formula for e-commerce.
Dropshipping
Dropshipping is a retail fulfillment method where a store doesn't keep the products it sells in stock. Is dropshipping still profitable in 2026?
Break-Even Point
The break-even point is when total revenue equals total costs. Learn how to calculate the break even point for your e-commerce store.
Cost of Goods Sold (COGS)
Cost of Goods Sold (COGS) is the direct cost of producing the goods sold by a company. Learn the COGS formula for online business and what is included.
Return on Ad Spend (ROAS)
Return on Ad Spend (ROAS) is the amount of revenue a business earns for every dollar spent on advertising. Learn how to calculate break-even ROAS.
Etsy Offsite Ads
Are Etsy offsite ads worth it? Learn how Etsy offsite ads work, the fees for 2026, and how to turn them off.
Gross Profit Margin
Gross profit margin is a financial metric that reveals the proportion of money left over from revenues. Learn the gross profit margin formula.
Amazon FBA
Fulfillment by Amazon (FBA) allows sellers to store products in Amazon's fulfillment centers. Discover the pros, cons, and hidden fees of Amazon FBA.
Unit Economics
Unit economics describes a business model's revenues and costs in relation to an individual unit. Learn how to calculate unit economics.