Yes, you should buy tickets in advance if you have a specific "must-see" show or want choice in where you sit. If you are more flexible or budget-conscious, waiting until the last minute can save you 20–50% through discount booths and lotteries. How early in advance should you buy/book Broadway tickets?

How early in advance should you buy/book Broadway tickets? - Quora. ... How early in advance should you buy/book Broadway tickets?

Broadway tickets Is it best to buy before coming or to buy when