Answer:

tips

Answer	Crossword Clue
TIPS	Insiders information
TIPS	They're usually not reported
TIPS	Track advice

TIPS	Helpful hints
TIPS	Helping hints
TIPS	Henhouse rarity
TIPS	Bits of advice
TIPS	Pianist's jarful, maybe
TIPS	Service rewards
TIPS	Some service-industry income
TIPS	Wage augmentation

TIPS	Pointers
TIPS	Waiting benefits
TIPS	Cops run them down
TIPS	Bill additions
TIPS	Useful suggestions
TIPS	Gratuities
TIPS	Pro's suggestions
TIPS	Server's rewards

TIPS	Inside information
TIPS	Advice
TIPS	They may be pooled
TIPS	They may be in a jar
TIPS	What waiters wait for
TIPS	Rewards for waiting
TIPS	Waiter's rewards
TIPS	Waiter's income, partially

TIPS	Busboys' bonuses
TIPS	Income for parking valets
TIPS	Rewards for waiting?
TIPS	Informant's tidbits
TIPS	Sirloin serving
TIPS	"Lucky Lady in the fifth" and the like
TIPS	Good things that come to those who wait
TIPS	Words of advice, perhaps

TIPS	Often underreported income
TIPS	Ones left behind?
TIPS	Shows appreciation with money
TIPS	Paddock whispers
TIPS	Pencil points