Glossary · Metrics
Unit economics— what it means in affiliate marketing
Profitability worked out per single unit — one customer, one order, one lead.
For a buying team it is the model that decides whether scaling multiplies profit or losses. Payout, approval rate, hold length and ad cost all belong in it; most arguments about a campaign are arguments about one of those four.
Related terms
| Term | Definition |
|---|---|
| LTV | Lifetime value: total profit expected from one user over the whole relationship. |
| CAC | Customer acquisition cost: everything spent to win one new customer, not only the media. |
| ROI | Return on investment: profit as a percentage of what was spent. |
Entry updated 15 September 2026. All 276 terms in one page.