Does Coinbase advanced offer a fee upgrade?

As a keen observer of the cryptocurrency market, I'm curious to know if Coinbase Advanced, a popular platform for digital asset trading, offers a fee upgrade option for its users. With the ever-evolving landscape of cryptocurrency exchanges, it's essential to stay informed about potential ways to reduce trading costs and enhance overall trading experience. Could you elaborate on whether Coinbase Advanced provides such a service, and if so, what are the key benefits and requirements for users to qualify for a fee upgrade? This information could be invaluable for traders seeking to optimize their performance on the platform.