The Ocado man, the grumpy girl in Starbucks, pizza delivery boys… must you tip EVERYONE these days?

The Ocado man, the grumpy girl
in Starbucks, pizza delivery boys… must you tip EVERYONE these days

11:21 PM on 7th August 2011

Time for change: British Prime Minister David Cameron made a tipping faux pas while on holiday this week and had to return to a coffee bar to make amends with the waitress, pictured

Time for change: British Prime Minister David Cameron made a tipping faux pas while on holiday last week and had to return to a coffee bar to make amends with the waitress, pictured

Moral dilemma: If tips are shared out by staff, is it fair to penalise them all if you had a bad waitress (posed by model)

Etiquette expert: Liz Brewer says tipping should be for a personal service that

Etiquette expert: Liz Brewer says tipping should be for a personal service that”s done for you and that might not be part of the person”s job

Big spenders: In the U.S., 20 percent tips are now expected in restaurants