I would also nail down the security deposit issue, so there is no he said she said.  

It is difficult to nail down an ARV as there are very few comps in the area. 

. - @Marcus Auerbach hit the nail on the head - always start with air sealing (typically starting in the attic) and then insulate after it is sealed.

@Chris MasonChris nailed it.

No Business License is needed unless your municipality requires one in WI, you can fly as a sole proprietor, LLC, LP or Corp. biggest thing to watch out for is being identified as a business at your home, the municipality wants to nail you with personal property tax.    

It took quite a few meetings to find contractors that meshed well but now I found a few that will nail it when I reach out.  

Like a hammer, though, you can use it to nail a board or hit yourself in the thumb, and just because it is your favorite tool does not mean that every problem is a nail.

Anyone who uses jumper cables to steal electricity should not be allowed anywhere near power tools or even a hammer and nails.

I guess some people see the value and some don't.. or I am crazy.. but I think to be able to nail down a reduced property ( it should only grow in value )  if it would be worth $200,000 rehabbed and I could get it for $100,000.. wouldn't I be crazy not to??

@Kimberly Jones Nailed it.