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, and hankies are gross. - First of all, the word is gross. Hanky. - It's just a word. Hankies are gross. A snot-covered rag that sits in your pocket all day. - That will be fine. - The snot could be anywhere. You put it back and save it for later. Mom, not all progress is bad. (..)2003 TvShow: Six Feet Under Title: Making Love Work Season: 3 Episode 6