Traveling Through the Apocalypse: Me! Full Time Businessman!

With a time-travel door, you can freely travel through the apocalypse. Lin Luo decided to become a full-time businessman. Gold in the apocalypse and food in reality will be the most valuable commodities in hand. First set a small goal to earn him 100 million. What? One hundred million can only buy two sets of Tomson products! No, you have to buy a ton of grain quickly to fight the apocalypse! This time, I want to earn a billion! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.