Conversation so far:
What did McGinnity do later in life?
McGinnity purchased the Newark Indians of the Class-A Eastern League (EL) for $50,000.
When did he make the purchase?
in 1909.
Was the team successful after he bought it?
That season, he had a 29-16 record.
Did he own the team for the rest of his life?
McGinnity played for and managed the Indians through 1912.
Did he sell in 1912?
McGinnity sold his interests in the Indians to Ebbets and Ed McKeever and purchased the Tacoma Tigers of the Class-B Northwestern League.

Question: What did he do after selling?
Self-contained rewrite: What did Joe McGinnity do after selling the Newark Indians?