B) NEGOTIATE once a day. At a Starbucks? Ask for 10% off, for instance.
A List Of 30 Day Challenges You Can Start Today
James Altucher

This is a dick move. Don’t jerk around service employees. Plus this one’s a cheat — when someone’s job depends on how pleased you are with how well they suck up to you, the customer, what you’re performing falls more under “coercion” than “negotiation.”