Proven method to "Help" finance your camping trips

With that system: Every time I DON'T buy beer, cigarettes, lottery tickets, heroin, fast food, etc. I should throw a couple quarters in the kitty- I'll be living pretty good in no time!
Seriously, however you save is a good idea. DH would just put his spare change in an ashtray every night. We would have fun taking it to the change machine at the bank and get a little fun money!