Count (one's/the) pennies American British informal
To spend money economically and carefully
Eliminating expenses for cosmetics is a good way to count your pennies.
If you make a decision to buy an apartment in this central area, you should count your pennies.
Don't ask Harry for purchasing any items, he is counting his pennies to buy a ticket for the live concert next month.
The verb "count" should be conjugated according to its tense.