How do you sell a pen for $1,000, $5,000 or even $10,000?

Buying your first Mont Blanc pen for $1,000. It comes with a diamond and certificate for the diamond. Kinda over the TOP for a simple pen.

Why do you need to spent $1,000 to buy a pen when I could buy any pen for a dollar?

The pen is smooth?

The pen has unicorn ink?

The pen writes on it’s own?