The Big Business Quest has the player searching for invoices in Genshin Impact. This guide will help players locate them all. Genshin Impact remains one of the biggest games in the world right now. Surprise releasing earlier in September of 2020, the game has generated over $100 million dollars within the first two weeks of its release. Players invest money into the game for the chance to pull one of the games 5-star characters or weapons. Although, there is so much more to do in the game like exploring a vast open-world, defeating enemies, and collecting treasure. One of the side quests in the game requires players to search for invoices for Big Business. This guide will show where players can find all of the invoices.