The Catalina Foothills home in Tucson, Arizona, has long been central to Savannah Guthrie’s life. Purchased by her family in 1975 for $85,000, the one-story property is now valued at nearly $1.1 million, reflecting both its size and the exclusivity of the neighborhood. Built in 1969 on a full acre of Sonoran Desert land, the house offers 3,776 square feet,...