What is the tipping policy in Italy?

Related questions

1. Do you tip at restaurants in Rome?
2. How much is a taxi from Rome airport to city Centre?
3. Is it expensive to eat out in Rome?
4. How much is a taxi from Civitavecchia to Rome airport?
5. Is there a train from Rome airport to city?
6. Do I tip taxi drivers in Italy?
7. How far is the cruise ship terminal from Rome?
8. How do I get to the high speed train from Venice to Rome?
9. Can you do a day trip from Rome to Venice?
10. How far is the train station from the cruise port in Civitavecchia?

Tags

1. #restaurants
2. #charge
3. #euros
4. #tipping
5. #italy
6. #ranging
7. #expected
8. #sometimes
9. #indicated
10. #service
11. #added