Yesterday ChatGPT billed again & I realized I still hadn't unsubscribed because ChatGPT made it impossible to do so & I had given up every month, mainly due to a need to get on with other activities. What a waste of time, effort, and resources! Today I finally succeeded when I found a phone number for Customer Support. It's a bot but it worked, and fairly quickly, too. The telephone number is 1-888-478-0090 (or 1-888-GPT-0090).

Worth the hassle if what I found saves someone else aggravation.