By comparison, bitcoin is extremely quick and easy to sell with a few keyboard clicks on your computer or phone app.
It is given that digital items are much more convenience to sell than physical ones. So we cannot deny that selling Bitcoin in comparison with selling physical gold is way much easier with just clicks of a mouse. But as far as I know gold certificates made it easier to sell gold since a person can sell his gold without moving the physical item and just by trading his gold certificate. I believe there is a special platform for this kind of trading like:
In addition of Bitcoin being more convenient to sell, according to this research study[1], Bitcoin has higher annual profit margin than gold.
[1]
https://ebooks.iospress.nl/doi/10.3233/ATDE221051