RSorder is the best site that sells OSRS gold (both OSRS and RS3). Based on my experiences (12 years of RMT as an occasional buyer and seller) I have discovered that buying osrs accounts is the most secure site that I have seen. It allows you to trade only among other customers, and this means the costs very affordable, and transactions are far more secure. It's difficult to know where the source from the metal however should you find a seller who is legitimately selling gold or osrs gp cheap, it's RSorder or a different marketplace site. There are no shops on the internet can provide anything similar to that.