Trivia: Both the massive "Search for Scarlett" campaign and Vivian Leigh's subsequent on-set "discovery" were well-orchestrated publicity stunts stage-managed by producer David Selznick. In reality, Vivian Leigh had secretly been cast from the very beginning.
Trivia: Vivian Leigh was only paid a total of $15,000 for her role, for a film that earned millions.
Trivia: Vivien Leigh could not dance at all, so dancer Sally De Marco was used as her double for the scenes at the Confederate Ball in distant shots.
Answer: If she looked rich she could trick him into thinking she wasn't marrying him for his money.