Answer:

SCAM

Answer	Crossword Clue
SCAM	Sting
SCAM	Get-rich-quick offering, often
SCAM	Hoodwink

SCAM	Shell game, e.g.
SCAM	Con game
SCAM	Con man's trick
SCAM	Deceptive act
SCAM	Pyramid scheme?
SCAM	Three-card monte, for one
SCAM	Flimflam
SCAM	Plot

SCAM	Ponzi scheme
SCAM	Phishing
SCAM	Phone call telling you to pay the IRS immediately or you'll be thrown in jail, e.g.
SCAM	Be a con artist
SCAM	Get-rich-quick offer, often
SCAM	Shell game
SCAM	Telemarketing danger
SCAM	Ponzi scheme, e.g.

SCAM	Fraudulent scheme
SCAM	Crooked plan
SCAM	Dubious deal
SCAM	Con job
SCAM	Fleece
SCAM	Unbelievable deal?
SCAM	Rip-you-off game
SCAM	Swindle

SCAM	It might take a lot of people?
SCAM	Bamboozle
SCAM	Fiddle
SCAM	Ploy that targets the gullible
SCAM	"Moneymaking opportunity" that isn't
SCAM	Take for a ride, so to speak
SCAM	Confidence game
SCAM	Con's con

SCAM	Fast one
SCAM	Three-card monte is one
SCAM	Swindler's speciality
SCAM	Fraud
SCAM	Too-good-to-be-true investment