The big advantage to the design is a relatively small foot print (3740sq ft) and a fit in anywhere elevation (appearance). 

Let's say the repairs + other costs amounts to roughly $10,000, I can sell the property for $40,000 - $45,000 at least, and it's still cheap compared to the others.Of course, I need to do further inspection of the property and properly crunch the numbers.

Of course, we seek to limit and mitigate potential legal troubles and costs.

@Upen Patel is correct of course regarding the LLC, so I would encourage you to ask him specific lending questions. 

Below is what I've gathered from my research thus far:Before reaching out to professionals in my area, I want to ensure that I am the best person to fit their needs.

Of course they came back denying everything so we started to negotiate. 

Very specific situation I've got here that I haven't been able to find good information online that fits this unique criteria.I have a friend that has a property that they own free and clear of mortgage, yet they are paying a HELOC of approx. $300 a month for.

Yes, I am a local hard money lender and would be happy to jump on a 10-20 minute call to get you some info on hard money, get you pre-approved and see if we might be a good fit!

Some methods of finding deals fit better depending on how many you want to find.

Growing up, my father fixed and flipped probably 10-12 houses over the course of 3-4 years doing almost all the labor himself.