single-source revenue
nounUK /ˌsɪŋɡəl sɔːs ˈrevənjuː/
US /ˌsɪŋɡəl sɔːrs ˈrevənuː/
Money that comes from just one place.
The lemonade stand had single-source revenue because it only sold lemonade.
OTHER MEANINGS
2. A company's total earnings that depend on only one customer or product.
The factory's single-source revenue made it risky when its biggest buyer left.
3. In finance, income from one investment or asset only.
Her single-source revenue came entirely from one rental house.
4. A business situation where all money comes from one activity, with no backup.
Single-source revenue can be dangerous if that one activity stops.