 By 1945 Devin was out of the Navy and had returned to California with the intention of establishing a car dealership of his own.When he could not arrange financing in California Devin relocated to Montour, Iowa where he opened a Chrysler-Plymouth dealership, a Crosley dealership and two farm equipment dealerships.These ventures were successful but in 1949 Devin returned once again to California and established a Chrysler-Plymouth dealership in Fontana the following year.