When you move in to a new apartment, the landlord may charge you more than the first month's rent. Before you sign the lease, make sure you understand exactly what you're going to be charged, and get it in writing.
Security Deposit: This is mini-landlord insurance. The deposit is equivalent to about one to two month's rent and can cover anything from a broken window to stained carpet. At the end of your lease, the landlord will conduct an inspection and see whether or not he or she needs to use any of the money on anything damaged beyond the normal