We're looking for investors with 'pockets' that are deep enough to pay for the project. [=investors with enough money to pay for the project]
People 'vote their pocketbooks'. [=people vote according to how a candidate or issue will affect their financial situation]
It turned out that they had 'pocketed' [='stolen'] most of the money that was supposed to go to victims of the fire.
(..) I know. You told me. It thinks and learns like we do. It's superconducting at room temperature. Other computers are just pocket calculators by comparison. Why is that so important? I need to know, 'cause sometimes I feel like I'm going crazy here. Baby. I am this close. (..)1991 Terminator 2: Judgment Day