Money
I'm a donating member and thought about everyone would be! Live and learn. Do we donate every year and if so, do we get reminders that it's time to donate again? I didn't intend my donation to be "forever".
That said, why not (those who want to) have silent auctions at their events? I was thinking about having one at mine to benefit the site but then figured they didn't need it. Wrong.
People who want to could bring an item to be auctioned and others could write down how much they'd pay for the item. Everyone wouldn't need to do it at their event, just those who want to. And an event that's just to have a yard sale and good time would work. I also like the idea of ammo cans at events for those who wish to toss in a bit of money for the site.
"There is nothing- absolutely nothing- half so much worth doing as simply messing about in boats". Wind In the Willows