to be broke/skint	to have to money left
I'm rolling in it	expression: I have a lot of money
to make ends meet	to survive financially
things are a bit tight	expression: my finances are not good
to be strapped for cash	to need cash and have very little
to bounce a cheque	when bank refuses to pay a cheque
to make a cheque out to sb	to put sb's name on a cheque
to put/stick sth on credit card	informal- zapłacić za coś kartą kredytową
to charge sth to credit card	formal- zapłacić za coś kartą kredytową
annual percentage rate of interest	roczna stopa procentowa
to expire	to be not valid after
credit card freud	illegal use os someone's card or account
charge card	card where you must pay back the whole debt each month
store card	credit crad issued by a store/shop for that store
lump sum	single, large payment; ryczałt
golden handshake	large payment to someone on leaving a job; odprawa
endowment	combined insurance and savings plan that pays out after a fixed period; polisa
life-savings	money saved over many years
share portfolio	combination of stocks and shares of different kinds
excess	(US deductible) the portion of any claim that is not covered by the insurance provider
loan shark	a person who lends money at extremely high interest rates to people in financial difficulty
pension plan	a scheme to provide you with an income when you retire
premium	the amount you pay each month or year for an insurance policy
mortgage	money you borrow to buy a house or flat
health cover	insurance you pay against illness