Bernard Marcus was CEO of Handy Dan and Blank was vice president of finance when both were fired in 1978 as part of an internal power struggle.

New York investment banker Ken Langone assembled the initial group of investors and merchandising expert Patrick Farrah helped founders realize their vision of one-stop shopping for the do-it-yourselfer.

On May 22, 2024, Blank won the Sports Business Journal's Lifetime Achievement Award for his work with the Falcons, United FC, and the surrounding community.

In September 2004, he bought the Arena Football League franchise, the Georgia Force; he moved the team to the city of Atlanta after it had spent several years in suburban Gwinnett County.

Blank has also founded an expansion Major League Soccer franchise named Atlanta United FC that began play in 2017.

Blank also helped the United States Soccer Federation set up their new headquarters in Atlanta, and the new training center was named in his honor.

In March 2020, Blank's foundation announced it would donate nearly $5.4 million to aid the coronavirus pandemic response in Georgia and Montana.

[12][13] In October 2020, it was announced that the new Children's Healthcare of Atlanta hospital would be named after Arthur Blank after his foundation donated $200 million to the project.

[18] In 1995, he married Stephanie V. Blank (born 1968), a Blowing Rock, North Carolina native and Appalachian State University graduate.