| drive first. That will give you a ballpark figure on how many people here will pay in return for value received. From there you can take a percentage who will donate to a cause bacause someone asked, and then add a fraction of that who will donate "if everyone else is"
I'm not sure how one would go about administering such a fund? how do you verify that a user is `in need'? will it be for registered users? vetern users? anyone who has posted here in the past year?
I'm not trying to be a trouble maker, but I have had some (little)experience with this type of plan in a non-professional group. | 
