You don't own ChatGPT output -- you can't legally sell it to others.
You also, by the services terms of use, have to source when something is partially or fully written by ChatGPT.
You also, by the services terms of use, have to source when something is partially or fully written by ChatGPT.
So as long as you put your own twist 8n it, maybe you can own the work.
But I'm not a lawyer, so don't quote me on that.
As for the overhead, maybe. But it's worth the try. And you'll have more time, since most of the work will be done by the AI.