What Kind of Technological Revolution Can We Make If We Don't Have Money?

On the first day of time travel, before Fu Heng could shout "My fate is up to me", he was first mentioned by a line of blood-red systems. Shi slapped him twice. [Current wealth value: -37 Spiritual Crystals. [Left to bankruptcy liquidation: 16 hours. [Suggestion: Stop comatose and pay off your debt immediately. This is probably the most searched-for system in the world: There is no novice gift package because of "insufficient budget"; There is no voice service because "sound cards are too expensive"; Even achievements pop up at the most embarrassing times to "save electricity bills." In order not to be sold into the mine and used as a human battery, Fu Heng could only pick up a wrench and dig out the mother of industry from the garbage pile. As a result, the high-ranking magicians discovered that their expensive "cleansing" scrolls were no longer fragrant. The magic guild was angry: "You are blatantly blaspheming the sacred magic order!" Fu Heng: "Stop talking nonsense, I'll give you a 10% discount on this batch of soap, do you want it?" This is the story of a poor boy who wanted to get rich and was forced by his creditors to overturn the table of the ancient gods. "I also want to keep a low profile, but my creditors are really chasing me!"