If anyone is curious, I went with Desi Serna's "Fretboard Theory Volumes 1 & 2"
https://a.co/d/9PerS2W
David Martin. 48 year old newbie. Started learning 10/10/2025
Completed: All three versions of Fundamentals 1
Working on: Anders Fundamentals 2
Recording King RO 328 Wide Neck Acoustic