The first gold light I owned was a floor lamp with a finish that looked like spray paint over plastic, because it was spray paint over plastic, and within about four months the gold had worn through at every point my hand touched the switch. It taught me that gold isn't one finish, it's about six, and the cheap end of that range rubs off like fake tan on a white shirt.
The good ones age in a way that actually improves things. A solid brass fixture or a properly plated one will dull slightly at the edges, pick up tiny scratches near where you turn it on, and start to look like it has a history instead of a price tag. That's the look people pay extra for later, so don't panic and polish it back to showroom shine the first time it loses its glare. A soft cloth and occasional dusting is all mine have ever needed, no sprays, no special wax, just leaving it alone most of the time. Where gold falls apart as an idea is in a room that's already busy with warm wood tones and brass hardware, because then everything competes for the same job and the room reads like a hotel lobby rather than someone's home. It also struggles in very cool, blue-toned spaces unless you commit to warming the whole room up, otherwise the gold just looks confused next to everything else. And in direct, strong daylight all day, the cheaper platings can shift color slightly over a year or two, going a touch brassy orange instead of staying gold. On delivery, I run a fingernail lightly along an edge you won't normally see, the base or the inside of a shade arm, just to check the finish doesn't flake or lift. I also hold the fixture up to a window if I can, because a good plating keeps an even tone across curves and corners, while a weak one goes patchy or almost greenish where the light catches it differently. Weight matters too, a gold finish over real metal has a density to it that plastic underneath never quite fakes, even when the color is identical.
So before it goes in my cart, the question I ask myself is simple: if I'm still looking at this in three years under ordinary daylight, not showroom light, does the gold still look like metal, or does it look like a finish.