Tip generously if you are famous, even if it’s takeout; be aware that anything you do could be photographed and posted online, even if you’re not a public figure because we live in an era devoid of any privacy; and when you are unsure about whether you should tip, it’s usually better to err on the side of caution (or generosity, in this case).
Tipping is standard and customary when the service is particularly stellar when you go to eat out. Most people do not have an issue with tipping in this setting. However, what should tipping be regarding when you order take-out at a restaurant? What about you do you think you should tip on takeout orders?