Put all your eggs in one basket

Meaning

Rely on a single plan or resource.

Usage

Financial or strategic caution advice.

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.

A warning against risking everything in one place.

A similar saying appears in Cervantes' Don Quixote (1605).