He had done the math.
As long as he drank 3 bottles of Coke a day, he could extend his mining hours to 18 hours a day, needing only 6 hours of sleep, and still feel energetic. The Coke was very effective in restoring strength.
Calculated this way, he only needed to spend 1 Fixed Star Coupon every three days.
But in these three days, he could earn 3 Fixed Star Coupons through minimum guaranteed mining, equivalent to making a pure profit of 2 Fixed Star Coupons, which was very cost-effective!
However...
He didn't tell anyone about this at first. Initially, he was the only one doing it, but soon he realized that more and more people seemed to discover his secret and began to mimic him. It was annoying; didn't these people have their own brains?
...
"..."
Inside the train compartment.
