tighten one's belt	if you need to tighten your belt, you must spend your money carefully because there is loss availabl
look like a million dollars	look and feel extremely good; so green and wrinkly
born with a silver spoon in their mouth	person who is born in a very rich family
cash cow	a regular source of income
money laundering	when people launder money, they manage to conceal the source of illegally-obtained money so that it
Go dutch	to go dutch with somebody means to share the cost of something such us a meal or a concert.
cost the earth	very expensove
Made of money	a person who is very rich and can buy whatever they want
Be hard up	having very little money
At all costs	za wszelką cenę / if you are determined to obtain or achieve something at all costs, you want it
make ends meet	wiązać koniec z końcem / if you find it difficult to pay for your everyday needs becuase you hav