I would recommend opening venues in which the VIP recipe does not take long to prep and the Super is available. This way you can get farther ahead faster. Some of the VIPs take almost 3 days for their recipes. No point in opening a venue like that unless you have lots of recipe slots unlocked.
I've gotten the promotion when I had way less than 1 million coins and was bummed because I couldn't get much. The best was when I had over 3 million coins. But that was a few months ago. I've been building my coin bank for its return.
I would like to suggest in each venue a bonus round where you serve as many customers as you can but the round ends if you lose a customer or if you don't serve them before their patience bar drops to yellow. This would encourage restaurant upgrades so a person can be successful during the round. You can use VIPS but not…