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.
(..) No? That's what the chaplain told you this morning. Yeah, that's right. You're the little church mouse that lives in her pocket. Well, I live in God's pocket. And she said I couldn't put it up on the walls, but she didn't say I couldn't hang it from the ceiling, all right? So... (..)2013 TvShow: Orange Is the New Black Title: The Chickening Season: 1 Episode 5