Why did bonanza stars always wear same clothes?

The stars of "Bonanza" often wore the same clothes to maintain consistency in their characters and to reinforce their identities throughout the series. This approach helped viewers easily recognize each character, enhancing the show's storytelling. Additionally, the use of similar outfits allowed for efficient production and reduced costs, as the wardrobe department could focus on a few key pieces rather than creating an extensive wardrobe for each actor.