مثل ریگ پول خرج میکنه

Question

1. Spend money like water

they spend too much

Ex.: Carol spends money like water - no wonder she's always broke.

 

2. spend money like it's going out of style and spend money like there's no tomorrow

to spend money recklessly; to spend money as if it were worthless or will soon be worthless.

Ex: I can't control it. I spend money like there is no tomorrow.

Answer 1

he has money to burn

to have more money than you need, so that you spend it on unnecessary things:

Unless you have money to burn, these expensive guitars are probably not for 

you.

http://idioms.thefreedictionary.com/have+money+to+burn

money is no object/expense is no object

used to say that someone can spend as much money as they want to on sth

Don't worry about how much they cost because expense is no object.

http://idioms.thefreedictionary.com/money+is+no+object