Want to avoid awkward moments with the hotel bellhop or your child’s camp counselor? Simply follow this handy advice about when to pay a gratuity—and how much to fork over. Bonus: In a few instances, you won’t even need to open your wallet.
The gratuity: $1 to $3 a bag.
Bear in mind: Large or bulky items, like a golf bag, warrant an extra dollar or two, says Holona Ochs, a coauthor of Gratuity ($33, amazon.com).