In 1987, he and fellow Happy Days (1974) cast member Anson Williams opened a chain of diners in the Midwestern United States, called Big Al's after his lovable and long running Happy Days (1974) character.
[about his Hollywood career[ I spent 20 years here before I got
anything going, and from that I got lucky. It takes a lot of luck in
show business, too. You've just got to be lucky and in the right place
at the right time.