In Forza Horizon 4 you can earn easy credits by setting up a business and getting business payouts each day. The way it works is, you drive North-East to the Business Chapters called “World’s Fastest Rentals”. Just like the other story chapters in the game, there are 10 chapters you can earn stars from. The more stars you get, the more daily income you create.
Each day you will get them transferred to your balance automatically. These Business Payouts can be checked in the menu under message center.