In 1958, the newly constructed Fidelity Union high rise was the tallest skyscraper west of the Mississippi River.
The company's rapid growth resulted from a novel employee stock option plan partially devised by Collins.
He also owned the Crazy Water Hotel in Mineral Wells, Texas to accommodate movie stars and celebrities seeking therapeutic treatment.
[5][6] In the later decades of his life, he was involved in a number of manufacturing and homebuilding ventures which included Mayflower Estates in Dallas north of Preston Hollow.
After a bitterly disputed race for the United States Senate in 1941, in which O'Daniel narrowly defeated Lyndon B. Johnson, a Texas Senate investigating committee questioned Collins about a large undeclared gift of radio time to O'Daniel on Collins's Mexican station, XEAW.