PUFF= Perpetual Unearthly Forces Fund an off the books fund set up by Teddy Roosevelt to pay bounties on monsters. The monster needs to have corporeal remains for the party to claim the bounty, and the bounty is

relative to the difficulty of the monster.

For example, a Banshee is worth $250,000  and a hobgoblin is only worth $10,000. Some creatures like vampires scale, vampires are worth $20K-100K depending how powerful they are