Deposit requirement for a new lease

[Account Closed]

Hey guys, question regarding the hold deposit for a new lease.  I'm requiring the first, last and security of 1 month for a new lease.  I think that's pretty standard.  One thing I don't know is, do people require yet a 4th deposit aka hold deposit, to make sure the renter holds true on their intent?  I read some people don't have that 4th deposit, so I'm not sure what to do here.  Thanks.