It is legal and very lucrative in some parts of the US. 

You’d be able to pull out $330,455, which is significantly more than your initial $236,930 investment.Your Initial Investment Back: This means that in 5 years, you’ll not only get your original investment back but also keep an additional $93k in your pocket.However, there’s a downside:Negative Cash Flow Impact: Over the next 5 years, due to the negative cash flow of $1,229 per month, your total cumulative loss will be $(60,153).

I don't want to wait to fix this, because the urine could seep into the subfloor and legally speaking I need to mitigate my damages.

Can I just add this to the initial basis?

We buy at a discount and pledge our legal right to collect the debt (a collateral assignment agreement) as the collateral for the private capital loan we take out, which is backed by the value of the real estate securing the 1st loan.  

Your financial background is a huge asset, and it’s great that you’re starting locally in Milwaukee while keeping an eye on future expansion.If you’re looking to connect with like-minded investors, the Rental Property Association of Wisconsin is a fantastic resource for networking with rental portfolio owners, accessing legal resources, and finding contractors. https://www.aasew.org/For mentors, funding sources, and flippers, the Milwaukee REIA is another great group to explore. https://www.milwaukeereia.com/I’m a member of both and find unique value in each—maybe we’ll cross paths at a future meeting!

Screening tenants is initially Padsplit. 

How did the unaccredited investor access the 506(b) syndication initially?

Initial Amortization Schedule: 12 years (144 months)6.

If you get some appreciation, does that compensate you for your initial outlay?