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.
(..) - That's my husband's best friend. You a lawyer, best friend? - Yes. - No. I believe the law degree in my pocket says so. Yes, and it's a little bit smeared because I sat on it in the car... ...not because I printed it out recently. Let's pretend that's real. Want to explain what you're doing? (..)2009 17 Again