Budget Breakdown: An Oregon Designer Turns a Quonset Hut Into a Guesthouse for $345K

"I always take on a bit too much," says Marie Saldivar, which, it quickly becomes apparent, feels like an understatement. Speaking from inside a guest suite she recently added to her property in Sisters, Oregon, Marie explains how she’s balancing a full-time job selling real estate and managing her new prefab homebuilding company, Steel Hut, all after having her first child just three weeks ago.