The edges are rough and the frets protrude over the neck, making it unplayable

The fret edges are sharp and you can't tune it without getting cut, let alone play it.

Yes, the edges of the fretboard are sharp, and you may get cut on the sides of your index finger

We haven't noticed any sharp edges.

The fret edges are sharp and you can't tune it without getting cut, let alone play it.

Second, the frets are too long for the width of the fretboard causing them to jut out, especially on the top edge

the fret board had to be filed ..to get the sharp edges off .. not hard

the fret board had to be filed ..to get the sharp edges off .. not hard

Finally, the 1st to 2nd frets on the top (1) E string sound the same "F" note

So the tonal sequence of the top (1) E string is E, F, F, G, G#, etc

Finally, the 1st to 2nd frets on the top (1) E string sound the same "F" note

So the tonal sequence of the top (1) E string is E, F, F, G, G#, etc