What network should I use to transfer USDT?

As a newcomer to the world of cryptocurrency, I'm a bit overwhelmed with the choices available. I've been told that USDT is a stablecoin pegged to the US dollar, which makes it seem like a good option for transfers. But what network should I use to send USDT? Should I go with Ethereum, Tron, or maybe another one? What are the pros and cons of each? And how do I know which one is the most secure and has the lowest transaction fees? Any help would be greatly appreciated!