It depends on the terms of the lease. It could be a 30 day lease just to keep a warm body in the house until you close escrow on your deal to buy the home.
I think we need more specifics here....... more
Have you considered a Lease Option scenario? This can put you into a home while assisting you in repairing your credit and working towards home ownership. There are programs that can move you in for NO money down and no up-front option fees.... more