Tip etiquette The proper amount The common courtesy is 15% for normal service. On small orders of less than $20, the proper amount is the $3 minimum standard. It should be a $3 minimum to have someone come out to your house. 20% or more if the service is excellent. 10% or less for poor service. Nothing for very bad service. If the order is large, like $100 or more, at least 10%. It's considerate t