BNB and USDT are two different things. Usdt is a stable coin. Bnb is constantly increasing and decreasing. In my opinion it is better to keep usdt according to the current market if it is a small trader. However, BNB still has a long way to go.
Your reply is completely not relative, you need to read OP before giving any reply because it's much better for you and others.
OP is asking about swapping so already many members give their opinion's about this, but you are doing this all just for post count which is not helpful for anyone. So please next time read and then post your reply, it's much better for you and others.