diminishing returns in a sentence

Examples

1. But he has not forgotten the law of diminishing returns.
2. There is a law of diminishing returns on television ads,
3. Money is the only thing I know that violates the law of diminishing returns.
4. You have to figure there's diminishing returns with any sequel.
5. But movie pyrotechnics operate under a law of diminishing returns.
6. Large-scale implementation also tends to be subject to diminishing returns.
7. But this third stage of his career was mostly a succession of diminishing returns.
8. Application of extensive agriculture would bring severely diminishing returns.
9. This was the law of diminishing returns made easy.
10. His investigation has reached a point of diminishing returns.