Custom GPTs are fine but they’re sort of useless. Since anyone wanting to use a custom GPT has to have a ChatGPT Plus account, they themselves can spin up an even more targeted, even better prompt than anything you could come up with and use that instead.
Unless your custom gpt provides some special bells and whistles through functions or APIs, your custom gpt ideas are going to r copied by someone who can spin up those special bells and whistles and API calls and cut you out from the middle.
Trying to make myself learn Python, but it's slow going. Sometimes simpler is better though, so I don't completely write off tinkering.
I have no doubt that this will immensely increase uptake among the less technically literate, since it will allow the techy people in their life (or on the app store) to introduce them with much less friction. It'll be like the little examples you can find on the "New Chat" screen of every chatbot, but 1000x more engaging