For those who can afford a measly 100 gold to rent out a stall in the market, they are also given a place to stay for the month their vendor's license is valid. Of course, you can only expect to have a stall when they become available, usually later in the day when someone else has sold their goods and left. Still-- it gets you inside Lemish. One of the safest cities around because, it's already been occupied by the dragonarmies.