15) Big Tips

Giving tips isn’t a norm in some countries, while others allow it. However, the percentage varies. In the United States, you are expected to give a tip of up to 20% of your bill. In other countries, the tip is not more than 12%. If you are a foreigner living in America, make sure you go big with tips to avoid that scrutiny look from your server.
Not giving tips in the United States is frowned upon. It’s a way of thanking the servers for their service.