It might be worth it for you, but how many people like you are there in the market? Not many I suspect. Most wont be able to afford it or will go for free options.
Since we're both not providing data, I'd be interested in hearing your personal experience on this (if it's not too much of a bother, feel free not to respond!):
What do you do for a living, and do you find GPT-4 helpful for it?