It's also really easy to have high quality audio! The author recommends a "podcasting" microphone, but a $35 standalone headset mic[1] is almost as good and much easier to use. If you want to hear a comparison, I got kind of obsessed with this problem at one point and took some comparison recordings here[2]. (You need a standalone mic since most headsets, even really nice ones, have really bad mics because most heads…
https://www.amazon.com/dp/B07QVNXBDL
It was ~$50.