From Arizona to Vermont, the Goodyear-based Koby family has visited more than 32 states over the past few years. In August 2019, husband Bob and wife Monica purchased a trailer and sold nearly everything they owned to pursue a life of travel for their daughters Autumn, 11, and Jade, 7. “We gave ourselves three or four months to sell everything, and our first stop was the Grand Canyon,” Monica Koby says. She and Bob homeschool...