It doesn't sound like you want to be talked into it.

Working with the epoxy is messy and they can be hazardous but the finishing work is the really nasty part. Doing any grinding or sanding on composites is MISERABLE. The powder created gets everywhere, is itchy, and will give you cancer if you breathe it.

Are you planning an electric or acoustic?

Integrated neck, bolt on, or set neck? Wooden or carbon fiber? What fretboard material?

Have you built a guitar before?

Have you worked with epoxy/composites?

Try subprojects. Not just individual steps, but simpler projects that yield their own results.

No