I'm not sure if this has been done before on the internet, but the idea just popped into my head. So we would have this thread. And people would decide on their profession, like innkeeper or blacksmith or adventurer, and they would open a subthread for it. So the innkeeper would have a sub-thread titled Inn, and he could charge say, 15gp for meal. But the farmer down the street would charge only 5. We could roleplay, but with an element of business laced in there just for the fun of it. I don't know if this would work, but I think it could be fun.