common purse

common ground

A characteristic or interest shared by multiple people or systems; any belief, etc. held in common.

common or garden variety

An ordinary, standard kind.

common run

Ordinary persons, things, or events.

common touch

The personal quality of showing understanding of and sympathy for the concerns of ordinary people; rapport with and acceptance by ordinary people, usually in a celebrity or leader.

cut one's cloth to suit one's purse

To settle for less when money or resources are limited.

hold the purse strings

To be in control of spending; to have financial power and responsibility.

lighten someone's purse

to take money from someone.

loosen the purse strings

To increase spending or allow increased spending; to relax control of spending.