Yup. there's tonnes of threads like that
You could also simply buy gold off someone trusted, then buy one in-game, it might be cheaper or more expensive, but you also get a reasurrence that they won't scam, as they have many vouches etc.
You could also buy one off a trusted member selling the purple, but that may be harder to find, as there's tonnes of trusted gold sellers [King Tijn, Nick, etc]