Within most custom homes there are a ton of custom fixtures that have been added and upgraded over the years. Such as your favorite chandelier or espresso machine. It is always a question what of must be included in the sale and what is up for negotiation or keeps. The most common way to determine what stays is whether or not a tool is required to remove it. However, this can vary.
This article helps provide clarity and understanding on how to go about keeping or selling fixtures throughout your home.