After Being Laid Off, the Sweeping Robot Taught Me How to Become the Richest Man in the World

My name is Zhang San. My life has been high and low, and I cried like a dog the day I lost my job. Unexpectedly, the sweeping robot that was about to be scrapped at home suddenly said: "It has been detected that the salt content of the host's tears exceeds the standard, and a wealth and freedom rescue plan has been launched." It asked me to use my last 300 yuan to buy a bunch of "junk". Three days later, someone actually wanted to buy it at a sky-high price. When I took the first step with hesitation, the robot said quietly: "This is just the beginning. Next, I will teach you how to legally get the world's richest people to work for you." Until that day I discovered that this broken robot was actually being offered a reward of one billion dollars...