Personally, LLMs are too often wrong and overly confident to be useful for me. Plus, unless you're running a local model, yet another subscription is not fun, especially by the likes of OpenAI and Anthropic. And you have all the ethical issues with LLMs that I'm sure you've heard about already.
It would be much better if you used the vast swath of online resources we are very lucky to have nowadays, don't take it for granted as the internet becomes increasingly saturated with low-effort LLM generated garbage.
Again, the only scenario where LLMs are potentially useful is translation in my opinion, and even then, you have to mindful it is often pretty wrong.