Under contract on duplex and current owner then moves a tenant in

[Greg Van Brunt]

I went under contract to buy a duplex. One side is rented and one side vacant. Since I completed inspections, the current property manager found a renter for the vacant side. My agent told me it's a month to month agreement with deposit. Should I be concerned? Is this normally accepted? My concern is I agreed and accepted as is. I dont have any say now if the property is destroyed between now and then... any thoughts? Thanks. This property is located in Tecumseh, OK. 

I like the idea of no vacancy but it's my first rental property and would like some input. Thanks!