Unless there are rules about tax sales in your jurisdiction that allow a lengthy time for full payment and investigations / appraisals / title searches on the property (enough time to process a loan), no lender is going to be able to give you a mortgage.

@Chris Luger I can tell you from experience that issues with the HOA during the time when trying to sell will make the sale process veeeery cumbersome, lengthy and possibly will cost you a decent chunk of money for various reasons.With respect of the building currently being unwarranted: you didn't say why.

I have heard this can be a lengthy process but not real able to find much on Google.

If you opted to go this route, I'd recommend a lengthy conversation with at least one, or ideally a few people who have done this before.

The current look back period for transfers that are not arms length is 5 years. 

His story, which I believe, is that he sold his house, (which his sister and mother were living in), made a profit, acquired a new house and wanted to relocate his mother and sister.I have met with him, I have had a lengthy conversation with him and I frankly believe him.I guess where my question was trying to lead was: how do I construct the lease to include him as the payee.

@Patrick Livers this post is going to be lengthy but it will be the exact information you need to have.  

The evictions can be as short as 3 weeks in LA but average length is 6 weeks and I get your point/math.

Military length is suspended for up to ten years if you are moved due to qualified extended military duty or if you were required to move farther than 50 miles from your duty station .

I was reading the Wisconsin land lord tenant laws but did not see anything regarding notice for increasing rent do you know where to find this or what the time length is for giving notice?