Wow, Katara, way to jump to conclusions on that one. Way to have faith in your brother.

"No, no no no no! Not a scam either! Good honest work," Sokka says, trying to defend himself and withering away slightly from her scrutiny. "Granted, it's cold work. Outside. In the cold. I'll be helping run supplies between stations working on the train thing the Metalworkers are building. Apparently there's been some sort of deal brokered or... whatever. Granted, I'm not saying I like or trust the metalworkers, but I can't say no to getting some solid money out of it."