There are lots of rentals in the DSM area. If you got a physical copy of the DM Register, it will have more rentals than the online version. You have to pay extra I believe to have an ad online as well as in the paper, so there are not many options online. I am going out there July 22, and would be happy to pick up a copy of the paper and send it to you. Also, if you go to
desmoineshomebuyers.net. The guy who runs that site does rent to own/lease options. He may have something for you. His name is Levi. If there is nothing on his site that interests you, give him a call anyway. He will be able to find something for you.