Living the dream has never been easy in the West's most beloved adventure hamlets, where homes are a fortune and good jobs are few. But the rise of online short-term rentals may be the tipping point that causes idyllic outposts like Crested Butte, Colorado, to lose their middle class altogether—and with it, their soul.

Living the dream has never been easy in the West's most beloved adventure hamlets, where homes are a fortune and good jobs are few. But the rise of online short-term rentals may be the tipping point that causes idyllic outposts like Crested Butte, Colorado, to lose their middle class altogether—and with it, their soul.