Complex sentence: Starting as a shipping shipping clerk, he went on to be a travelling salesman, covering thousands of miles on the Santa Fe railroad across America, to local general stores with samples of Coty perfumes and gift sets.
Split into simpler sentences: Starting as a shipping shipping clerk, he went on to become a travelling salesman, covering thousands of miles on the Santa Fe railroad across America. He visited local general stores with samples of Coty perfumes and gift sets.