Going back to my hometown to visit my parents, neighbor Uncle Quan asked me: "How much can you earn in a month?" I knew his son wasn't doing very well, so I hesitated and made myself sound very miserable. I said: "Just three to four thousand yuan." Uncle immediately smiled, then continued to ask: "So is it really three thousand or four thousand?" I said: "It's commission-based, sometimes over four thousand, sometimes less than three thousand, and I often work overtime, sometimes even can't get paid on time."