Who to tip and how much

Most people know how much to tip the wait staff at a restaurant but unless you find yourself gratuitously leaving gratuities everywhere you go you may not know how much of a tip is the custom for other services. Thanks to Coupon Sherpa's Tips on Tipping for 63 Services you'll wonder no more. The list includes any category you can think of including tipping practices at restaurants, the hair salon, a spa, for transportation, for delivery service, at the hotel or casino, when traveling, holiday tipping and many more.

Since the list is so comprehensive, and varied, we decided to highlight our favorite tipping tips form Coupon Sherpa. Odds are you didn't know how much to tip these professions.