WI, Buying a hoarder house and Tenant has moved out

[Ken Collins]

I am buying a house in Wisconsin to flip from Father whose son has lived in a house for 10 years with no written rental agreement and has never paid any rent but was supposed to.  The house is 2 feet deep with garbage including dog feces, dead mice, years of garbage, etc...  There is nothing that I would consider of value in the house, except a few hunting rifles, everything is garbage or ruined by the dog who was never let out of the house and did his business in every room on everything. The Son (tenant) can only be contacted occasionally when the father happens to call the right bar and he answers, otherwise, he never responds to any correspondence.  The father(seller) tells me that the son (tenant) has verbally told him he has moved out and is living with a friend.  When I buy the house the plan was to get a couple dumpsters and have it cleaned out starting the day I buy it. Do I need? should I get? something in writing from the father(seller) stating the house is vacant or the son (tenant) has moved out? do I have to hold on to anything of value in the house that is found for a period of time, like you would for a tenant who has left?

Looking forward to your opinions on this.

[Scott Schultz]

I would want to get a statement from the father and son stating anything left behind after closing may be disposed of, and has no value, preferably signed and notarized