Yeah, I thought that too... It might be a past/present kind of thing. Like, at the time the author was in China, he was making $5000/month and now that the art

Yeah, I thought that too... It might be a past/present kind of thing. Like, at the time the author was in China, he was making $5000/month and now that the article is published it's $5000/day. Although, $5000/day seems a bit high, so I'm thinking it's a typo.