I thought it would be easier to work on (sanding, staining , varnishing) before any assembly, sound holes,not sure it will make much difference to the sound as it's an electric guitar but may make a difference if just playing the guitar without an amp.
I don't think adding the connecting holes will hurt anything, it would be interesting to hear the difference between yours and an un-modified one being played acoustically. Potential for a Reso owners jamboree?
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