Subject + 花 + Amount / Duration
花 (huā) as a verb means 'to spend,' referring to the expenditure of money or time. It is placed before the amount or duration being spent. For example, 花钱 means 'to spend money' and 花时间 means 'to spend time.'
他一个月花三千块房租。
Tā yí gè yuè huā sānqiān kuài fángzū.
He spends three thousand yuan a month on rent.
别花太多时间玩手机了。
Bié huā tài duō shíjiān wán shǒujī le.
Don't spend too much time playing on your phone.
这件衣服花了我五百块钱。
Zhè jiàn yīfu huā le wǒ wǔbǎi kuài qián.
This piece of clothing cost me five hundred yuan.