I've always struggled with how much to donate, both as a regular contribution and for special situations. Often I have no idea and sort of flounder and do nothing, then feel guilty. How do you decide how much to donate? Do you do a regular monthly thing, a year-end thing, a "suggested" amount (like some churches require tithing a certain amount)? What about unexpected things, like Katrina, the Tsunamis, etc? A few times for people whom I knew would appreciate it, I've "bought" stuff from Heifer, because it was a certain "thing" and really felt good about that. But just giving $50 or $100 or $200 seems like it will be useful, but go into a dark hole. I wish more charities would do stuff like "feed a dog for a week for $40" (or whatever) but many of those that help kids are kind of iffy in other ways that I don't like, or they score very poorly on Charity Navigator. Anyway, I'm interested to hear others' thoughts on this.