First marketing tool for a podcast channel should be clips channel

Best way to know what topic is working is starting a clips channel uploaded 5 to 9 min clips of a complete topic or question discussed in a podcast with interesting thumbnail and some intro from the guest informing this is a clip from my main channel and also a outro/CTA. Just a way to know which topic people really like from the podcast and also it gives chance to test all your content properly as to be honest early stage podcast people won’t watch the full hour podcast