Where is the cheapest place to buy USDT?

Could you please tell me where I can find the most affordable option to purchase USDT? I've been looking around, but I'm still not sure which platform offers the best prices. Do you have any recommendations based on your experience in the cryptocurrency market? Also, would you mind sharing any insights on what factors I should consider when choosing a platform to buy USDT? I'd appreciate any advice you could give me on this matter. Thank you in advance for your help!