Hoist by/with (one's) own petard phrase
To be hurt, killed, damaged, or destroyed by one's own trap, bad act, or plan that is intended for someone else.
The con man tricked me into giving him all my savings, and now I am satisfied to see him hoist by his own petard.
He intended to make me fall, but was hoist by his own petard when he slipped the banana peel that he put on the floor.
After being hoist by her own petard, she sweared she would never try to harm other people again.
The phrase is from Shakespeare's Hamlet: ‘For 'tis the sport to have the enginer Hoist with his own petard’. In former times, a petard was a small bomb made of a metal or wooden box filled with explosive powder, while hoist here is the past participle of the dialect verb hoise , meaning ‘lift or remove’.
To take something into consideration in a thorough way
You need to take your future plan under advisement.