I subscribed to ChatGPT Pro for $200 per month, mainly because hiring a private online tutor used to cost about the same. A good teacher would charge around this price for two one-hour sessions per week, which would already exceed $200.
This decision should help improve my language skills, not to mention how much the GPT-4 model can assist with my learning and work.
Any time that can be bought is inexpensive as long as it’s within my means.