The boom years are over, the Island population is aging at a rapid rate and an underground economy — conservatively estimated at $34 million in unreported wages — threatens to undermine the stability of the Island community.

This is the conclusion of a recent study prepared for the Martha’s Vineyard Commission by John J. Ryan, a consultant with Development Cycles in Amherst.

Only carry from place to place what can fit in your car, or if you’re lucky, a friend’s pickup truck. Pack your clothes in garbage bags and carefully stack them so they don’t tumble over on the drive. Leave the cabinets completely empty, tuck the plates and dishes in between your clothes, and lock the door behind you as though you were never there.