Don't put all your cards on the table

Meaning

Keep some information or strategies to yourself rather than revealing everything at once. It is a warning about maintaining leverage during a negotiation.

Cautious, tactical

Used in a sentence

• Negotiate for a better price, but don't put all your cards on the table yet.
• We have a plan for the expansion, but don't put all your cards on the table in the first meeting.
• He is very cagey because he doesn't like to put all his cards on the table.