In June, 40-year-old Shane Dawley and his 36-year-old wife, Rhonda, uprooted themselves and their four boys from their suburban Atlanta rental home and bought an old five-acre farm in Ogdensburg, Wisc. Their goal: Flee the rat race and adopt a more self-reliant lifestyle amid the troubled economy.

While Mr. Dawley, who had worked at a parking garage, hasn't found a full-time job yet, he's been working on nearby farms learning new skills (one person paid him with an old John Deere tractor), and his family is raising chickens...