Recording your voice is now much easier than it was when I started. See here. The microphones are not huge in price and are very good direct to USB and the PC
The recordings don’t need much editing. I use Audacity and just edit for noise, reduction, although there isn’t much in the recordings at all. I add a bit of base, but it depends on the type of room you’re recording in. Even pro microphones can be connected to a PC easily with a small electronic unit, although I’ve not used one of those.
I agree that a large block of text in an AV is a bit of a turn off