The idiom for not spending money is "to pinch pennies."
This idiom implies being frugal and careful with money, often to the point of being overly cautious.
Here are some examples of how the idiom is used:
- "My grandmother always pinches pennies, so she can save for a rainy day."
- "We're pinching pennies this month because we're trying to pay off our debt."
Other idioms that express similar meanings include:
- "To be tight-fisted": This idiom suggests being unwilling to spend money, even when it is needed.
- "To live on a shoestring": This idiom refers to living with very limited resources.
- "To be penny-wise and pound-foolish": This idiom describes someone who is overly cautious with small expenses but makes careless decisions with larger amounts of money.
These idioms are commonly used in everyday language to describe different aspects of frugality and financial prudence.