fˈɑːloʊɪŋ ðə wˈɔːɹ, ˈɑːɹnəld wˈɜːkt æt fɹˈɛtwɛlz də sˈoʊɾoʊ ðˈɛn ˈɛntɚd ðə kənstɹˈʌkʃən bˈɪznəs, bˈɪldɪŋ ˈʌpskeɪl hˈaʊzᵻz ænd wˈʌn ʌvðə fˈɜːst ʃˈɑːpɪŋ sˈɛntɚz ɪn ˌoʊklɐhˈoʊmə.
Following the war, Arnold worked at Fretwell's DeSoto then entered the construction business, building upscale houses and one of the first shopping centers in Oklahoma.