Gu Zhou obtained a cross-border trading system and could go to different worlds to do business.
He arrived in the demon world and made money by selling demonic minerals, opening a shop and selling delicious food.
In the world of cultivating immortals, you make money by selling secret books on cultivating immortals and tailoring programs for cultivating immortals.
In the world of orcs, you make money by selling seeds.
....
By working as an employee of the system to earn money, Gu Zhou also saved a lot of wealth, countless demon ores, and a demon kitten that could suddenly turn into a beautiful young man;
Various specialties from the world of immortality: puppets that can do housework, magic weapons the size of rice grains that can turn into giant palaces when used...; Various specialties from the orc world; he even has several different types of mechas from the mecha world...
I also bought a few bodies in the system mall and used them interchangeably. Even if you work for the system, you must become a super rich and happy worker.
Purpose: Get rich through hard work