vote with your pocketbook

US /voʊt wɪð jʊər ˈpɑkɪtbʊk/
UK /voʊt wɪð jʊər ˈpɑkɪtbʊk/
"vote with your pocketbook" picture
1.

to express your opinion or support for something by spending or not spending money

:
Many consumers decided to vote with their pocketbooks by boycotting companies with unethical labor practices.
If you want to see more sustainable products, you need to vote with your pocketbook and buy them.