con out of
con (someone) out of (something)
To obtain something from someone through deception. I can't believe that shady salesman conned you out of hundreds of dollars. I'm confident that we can con that sweet old lady out of her diamond necklace.
con someone out of something
to trick someone out of money or something of value. Anne conned her little sister out of her allowance. Dave conned me out of my autographed baseball.