something said or done to gain an advantage
ploy - tactic
A 'ploy' is a tactic or strategy designed to help you get what you want, often by tricking or manipulating somebody. While such an action requires a degree of cleverness to pull off successfully, the word typically does not have positive connotations. Instead, it is mostly associated with dishonesty and immorality.
I gave John money because he said his daughter needed an operation. I later found out that it was just a ploy so he could buy a new car.
The product can’t really do what that company says it can. It’s just a marketing ploy designed to increase sales.
I believe that the official complaint made against me is part of a deliberate ploy to force me out of the organization.