Why guitar sounds smoother in high frets?

1. Are higher frets easier to play?
2. Why does my guitar sound out of tune on higher frets?
3. Should action be higher at higher frets?

Are higher frets easier to play?

Fret gauge might have a bigger impact on playing feel than on tone for many guitarists. Wider frets are often attributed a smoother, more buttery playing feel, which also makes it easier to bend strings.

Why does my guitar sound out of tune on higher frets?

If the frets become worn and flat, your string length will change because the contact point on the fret has changed and your intonation will be off. If you have some deep grooves, or some of your frets are worn down, you may need to have the frets dressed, and re-crowned.

Should action be higher at higher frets?

Action should get higher as you reach fret 12 then slowly lower until the end of the fretboard. Typical action is roughly 1/8th of an inch above fret 12.