We are trying to buy a shortsale house in Florida which is currently occupied by a tenant and her 6-yr old son. The tenant does not have a lease with the current owner. We are trying to get her move out before the closing date, but doesn't seem promising. She claimed she has no money to move out.

We really like the house and would like to close within two weeks. If the tenant will not move out before the closing date, how difficult it is to evict her afterwards? What is the procedure? What would be her category, tenant or squatter or what? How long will the eviction take? And How much will it cost?