Nearly 10 months after the Eaton wildfire, the rebuild process is slowly getting underway. Now, residents are turning to prefab to build their houses faster, more cheaply, and largely in factories. At 3:20 a.m. on January 8, Steve Gibson and his wife were jolted awake by a phone call: the Eaton fire was approaching their home in Altadena, California, and they had to evacuate.