Apple Inc. ‘s new product, Apple pencil is popular among people. However, the supply of the pencils are limited. As the demand is huge and still increasing and the supply didn’t change. The price of Apple pencil went on to $500 on eBay while the price on Apple.com is only $99 but people need to wait for few weeks to get the pencils.
This is the phenomena of shortage in the market. However, it is possible that Apple Inc. made this properly to grab more curiosity from the public.