Every podcast host with a real audience has a folder of questions they answer over and over. Same question, different listener, different DM or email, week after week. That repetition usually gets treated as a burden. It's actually a map of exactly what to build next.
If you're answering the same question for the fifteenth time, that's not a content gap, it's a tool waiting to be built.
Repetition is a signal, not a nuisance
When the same question shows up again and again, it means a real, recurring need exists in your audience that your existing episodes haven't fully resolved. Answering it individually every time doesn't scale. Building something that answers it for everyone, tailored to their specifics, does.
A generic FAQ page isn't the same as a tool
A static FAQ page helps a little, but it still requires the listener to read through and figure out which answer applies to them. A tool that takes their specific situation and gives them the applicable answer directly removes that extra step, and that extra step is often the difference between someone using it and someone bouncing.
You already have the raw material
You don't need to guess what the tool should ask or answer, your inbox and DMs already contain the real questions in the real words listeners use. That's better research than any framework you could invent from scratch.
"If you're answering the same question for the fifteenth time, that's not a content gap, it's a tool waiting to be built."
The next time you catch yourself typing out the same answer again, save it. That's the seed of a tool your whole audience could use, not just the one listener who happened to ask.