How do I know if there's a problem with my guitar nut?

When you buy a new guitar, you can almost be guaranteed that the nut slots are not deep enough I have seen expensive guitars that came with as much as 035''

I overheard a conversation where a luthier mentioned that nut-slot depth might affect how the string sounds Specifically, he was cautioning

guitar nut slot files Nut slots should be at fret height Never measure first fret action again It's difficult to get it right, it's affected by other things, and it

guitar nut slot depth If the nut slot is too deep, you will notice immediately because when you play that string open, it will rattle against the first fret There will be a tinny