ChatGPT Plus is listed at $20 per month, but the actual cost varies from about...

https://zulu-wiki.win/index.php/Is_It_Legit_to_Buy_Shared_ChatGPT_Plus_Accounts%3F

ChatGPT Plus is listed at $20 per month, but the actual cost varies from about $13 to $27 depending on where you buy it. This happens because prices outside the web often include extra charges like VAT, GST, or app store fees