Since I started the thread, here's what I do..
I have an automatic draft on my bank account of $10/month that goes to our HQ's general fund to retire their debt on the IHQ property. Not a major amount, but it's not like I miss it.
As for my chapter, during Rush, I slip the Recruitment Chair a $20 about every time I see him. No telling how much I've given away there
As for time, I'm a chapter advisor and serve in several capacities (we have an advisory board). I'm the financial advisor as well as the advisor for the Honor Council (J-Board). I also serve as Recorder and newsletter editor for the Alumni Chapter.