Within two years, Anderson had opened his two more drive-ins and Dee's Drive-In had 100 employees. One of Anderson's friends opened a franchise in Johannesburg in 1972, which was the first American fast food outlet in South Africa. Dee's Drive-In went on to have 53 restaurants earning over $20 million annually.
Anderson expanded his drive-in business within two years, and by then, Dee's Drive-In had grown to have 100 employees. A companion of Anderson opened the first American fast-food outlet in South Africa in Johannesburg in 1972. As a result, Dee's Drive-In eventually became a successful chain with 53 restaurants earning over $20 million annually.