if I had a nickel for every time
О чем-то, что случается чаще чем хотелось бы и уже начинает надоедать.
If I had a nickel for every time someone used a clichéd opening in an essay, I’d be the richest woman in the world.
Если бы мне давали по 5 центов каждый раз, когда кто-нибудь начинает свое сочинение с клише, я была бы самой богатой женщиной в мире.
pinch pennies
watch every penny
penny pinching
Not spend a penny more than necessary; be very saving or thrifty.
When Tom and Mary were saving money to buy a house, they had to pinch pennies.
Bob saved enough money by penny-pinching to buy a bicycle.
use every trick in the book
To avail oneself of any means at all in order to achieve one's goal, not exclusive of possibly immoral or illegal acts.
Algernon used every trick in the book to get Maxine to go out with him, but she kept refusing.