broke: person: without money, penniless business: bankrupt
taxes: A sum of money based on income paid to a government for its support
Wealthy: rich, affluent, opulent
mortgage: A loan used to buy or maintain a home, land, etc. secured by the property itself
loan: a thing that is borrowed, especially a sum of money that is expected to be paid back with interest
bills: paper money, banknote
save up: Gradually collect money by spending less, usually in order to buy something that someone wants.
coins: metal money