Related Clues:

• Hint mine will return
• Money for service
• Chalked part of a cue stick
• You could wait for it
• Money in a jar, maybe
• A cash one is generally preferred
• Gratuity — mine sent over
• Gratuity on a bill
• What a waiter waits for?
• Hint of mine recalled
• Rubbish dump
• Nugget of advice
• That's the point!
• What's left at the end of a meal?
• Felt-__ marker