[2] From 1888 to 1899, Potter worked for the Baltimore and Ohio Railroad, where he rose to the position of Division Passenger Agent.
He then entered the newspaper business as general manager of the Philadelphia Evening Telegraph.
[1] He then managed the Philadelphia branch of Marshall, Spader, & Co., a stock brokerage firm.
In 1908, Marshall, Spader, & Co. closed their Philadelphia office and Potter took over management of the Public Ledger.
[4] In 1903, Potter led a syndicate that purchased the Philadelphia Phillies from Al Reach & John Rogers.