Pretty much, yes. You can also sell art by opening an art shop, but that's pretty much it. Unless you wouldn't mind spending some real money on the site by buying Contribution Items and then selling them for gold :sweat:
^^^ Roleplay forum ^_^
And yes, you get gold from roleplaying ^_^ 20g a post if it's long enough~ (0.02g per character, without spamming, of course XD)