As this is an annual event, I'm fairly certain that the Packs would not have a clue where/how to put that $$.
Because it's a family event, there is much equipment needed. Our Troop's 'invite the Packs' campout involves every single Dutch oven, stove and patrol box we can gather from anyone willing to lend. I know how much wear and tear has been done on our gear (dining fly canopy ripped when it blew over in windstorm....trailer got a flat from a nail in the parking lot....hinge busted on patrol box due to Cub Scout thinking he could sit on it....) you name it, it's been busted, repaire