Why should I use USDT instead of USD?

I'm just curious, why should I consider using USDT instead of traditional USD? I've always been comfortable with the stability and ubiquity of the US dollar. What advantages does USDT offer that might persuade me to make the switch? I understand it's a crypto-based stablecoin, but how does that translate into real-world benefits for me? Is it more convenient for international transactions? Does it offer better returns or lower fees compared to traditional banking systems? I'd like to hear more about the practicalities and potential upside of using USDT in my daily financial transactions.