Our local bar in town closes at 9 cause it's mostly a restaurant, on good weekends when our trails are good in the winter we'll get over $100 from that, got a $200 donation to groom an 1/8th mile long camp road after every big storm last winter, cost maybe $15 in diesel.
Maine also has a bottle deposit so we put a donation bin at the redemption center in town, I swear we get almost $1,000 from that every year for no effort since the owner keeps track for us.
That code thing I think is a good idea, though my buddies don't donate at all and they're all 25-30, it's like pulling teeth to get the fucks to register their sled or help me brush once in a while... I donate over 130 hours of my time every year, that's plenty along with all the chainsaw hours, vehicle miles, etc