Runescape gold be used to just about everything in the game trade. You can strengthen your account by, for example, stronger and more expensive stuff to buy from other players or from the GE.
Earning coins in the game itself takes a very long time if you're not strong enough or experienced enough, it is much easier to make money to buy. The gold coins are just ingame surrendered to your account. The vomit goes through ' trade ' at an agreed place and play world.
At the moment we do not sell these items in our shop, you can easily buy themselves on the ' Grand Exchange ' in Varrock. When your Runescape gold buy from us you know exactly how much you receive and are you sure it's reliable.