Yes, of course, I have bought open boxes on Amazon many times to save money to buy a new item in it, and the contents are sometimes really good quality, sometimes not so much. However, it doesn't matter that much because the price is very low. However, if you decide to buy such an item, I think it would be helpful for you to first study this article about Amazon open box deals
https://easync.io/articles/what-does-open-box/.