Speaking of mysteries, I belonged to an online guitar forum that disappeared a month or so ago. The url just suddenly stopped returning anything. I was getting helpful advice there on this guitar I'm building,
You mentioned a while back that you want a guitar that sounds like an electric as well as an acoustic. That’s what the line 6 Variaxe was designed to do. It uses a cat 5 (or6) cable to communicate with the pedal board for power or you can use a battery. The cat5 also commands the pedalboard to change various parameters to compliment the sound you select on the guitar or it can work to other way where you tap a foot switch and it changes the guitar. Getting an acoustic to sound natural when electrified is really hard. They end up sounding electric. The Variaxe actually sounds pretty good in my opinion but I use my Martin when playing acoustic mainly because people have a hard time accepting an acoustic sound from a guitar that looks like an electric.
Also, having multiple guitars on stage can be an advantage in that you can have different tunings on the guitars or even a capo sometimes (most times) messing up your tuning a little (or a lot).

Speaking of effects pedal boards, I bought a new one last week. It’s a Line6 POD Go loaded with all the Helix models. The Helix is the big daddy of digital guitar models right now. The competitors are Kemper, Fractal Audio, Axe, etc

I used it for the first time at rehearsal last Wednesday. Sunday will be the first time live. I’ll be using my Les Paul guitar with it. This unit is wireless with a transmitter that stores and charges right in the pedal. You just pull the transmitter out of the pedal and plug it into the guitar and you’re ready to go.
Check out David Hislop.
He has many videos on guitar sound. The new thing in digital sound is the “IR’s”, impulse responses which are a combination of amp cab, mike, mike placement, and room ambiance all combined in a single setting. ie, 2x12 Greenback cab, 545 mike, off axis placement, and a Vox AC30 tube (valve) amp, in a medium sized room. These IRs are built in studios with tons of equipment and can be imported into modelers manufactured in the last few years. Add to the IR’s your modulation, delay, reverb, compression, etc.
You may say, But I’m a purist! I just want a guitar and an amp without anything affecting my sound. I was just reading about Jon Fogerty of Credence ClearWater Revival. It took him thirty years to duplicate the “pure” sound of his first couple years with CCR. Turns out his pure sound was colored by his one of a kind amp and guitar at the time. Combine that with how his amp was miked for large venues and size and shape of the venue and all the sudden, it’s not so pure or simple.
Jimi Hendrix pioneered jumping both channels of his Marshal Stack and boosting the gain to achieve the warm tube distortion that gave his guitar a pleasing tone. It took digital modeling a long time to achieve this tone but now we have a hundred models available in a box.
Pod go demo