rental system in korea : kalse (all prepaid rent )

kalse ( 깔세 all prepaid rent ) rental system in korea

This is only for foreigner.
It requires advance payment of the total monthly rental for the entire lease period.
The contract is usually for 2-3 years.
There is nothing left when the lease contract is expired.
However, this is most common method of payment by foreign nationals who are to live in Korea for a certain period.