David Docter and his neighbor on Capitol Hill share a lawn mower and a pressure washer. Why should we have two pressure washers when I use it twice a year and he uses it twice a year?" asks Docter, who applies similar logic to the mower and to an Oregon Coast cabin he and his wife, Alicia, share with a dozen other families. Two decades ago, when they bought into the cabin, it would have been tough to afford alone. Now, each family gets to use it several weeks a year for minimal expense. These sharing arrangements are small steps. But through them, each family has lightened its footprint, freed up cash and fix-it time, and found confidence in cooperation. Which leads to a logical question: If sharing stuff is so environmentally and economically sensible, why don't more people do it? Why do so many of us have hedge trimmers languishing and taking up space in our garages? Why are huge RVs parked in driveways and boats sitting in slips for 50 weeks at a time? Because sharing is scary. Ask anybody. There's a reason why Nolo Press' recent book, The Sharing Solution: How to Save Money, Simplify Your Life & Build Community, includes "agreements and forms." Long chapters discuss such issues as responsibilities and conflict resolution.

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