You can use i soldi (plural) or il denaro (singular) to speak about money in Italian
I have a lot of money: Ho molti soldi / Ho molto denaro
Other words to talk about money include:
La moneta - coin / currency e.g. moneta d’oro - gold coin
Le monetine - pocket money
Lo spicciolo - loose change / small change / small coins
Il contante - cash
La banconota - banknote / bill
Il biglietto - banknote / bill
Here are some useful verbs:
Pagare - to pay
Spendere - to spend
Guadagnare - to earn
Prestare - to lend
Prendere in prestito - to borrow
Permettersi - to afford
Offrire - to pay for somebody as a treat
Comprare - to buy
