ακριβός στα πίτουρα και φτηνός στ' αλεύρι

Etymology
lit. 'stingy with the bran and cheap with the flour'. is used in its older sense of “careful; stingy”—compare 🇨🇬.

Adjective

 * 1)  penny wise and pound foolish prudent with small amounts of money but wasteful with large amounts