My two cents

Meaning

One’s modest opinion.

Usage

Preface when offering advice without authority.

Origin & History

Origins and dates here are approximate summaries. Many idioms have disputed or unknown origins, and not every date has been checked against a historical dictionary, so treat specific dates and stories as a starting point rather than a citation.

Cents used as a humble currency analogy.

American phrase from the 19th century associated with humble contributions.