How much can I buy 1 USDT?

Could you please clarify for me, how much can I potentially purchase with 1 USDT? I'm interested in understanding the purchasing power of this particular cryptocurrency unit. Could you elaborate on the current exchange rate or value of 1 USDT in terms of other currencies or assets? Additionally, are there any factors that might affect the amount I could buy with 1 USDT, such as market fluctuations or transaction fees? I'm seeking a comprehensive answer that takes into account all relevant variables. Thank you for your assistance in this matter.