There are several markets on the internet, but I do not understand you strategy. It is so fun to play Vanguard, or any other MMORPG, from the beginning. That way, you can have certain rule, upon you play. If you buy someone else's account, than you must play with that player character. Maybe they are not for you, or that character is being upgraded n such a way that is not how you would build it. It is much better to play from the beginning and to really enjoy the game. I will try to find good markets, and I will then tell you the addresses.