Try to network locally with some contractors that have done the kind of work that you're hoping to do and ask for some of their most recent proposals. 

Here are some considerations for commercial real estate:Higher Income Potential: Commercial properties often generate higher rental income compared to residential properties, especially in prime locations.Longer Leases: Commercial leases tend to be longer (5-10 years or more), providing more stable cash flow and less frequent turnover.Tenant Diversity: Depending on the property type, you can diversify your tenant base, spreading risk across multiple businesses or corporations.Market Dynamics: Commercial real estate can be more sensitive to economic cycles and local market conditions, requiring a deeper understanding of business trends and tenant industries.Purchasing: Generally, commercial real estate will require 20% down.Choosing Between the Two:When deciding between commercial and residential real estate, consider these factors:Investment Goals: Are you looking for steady rental income, long-term appreciation, or both?

We originally purchased side-by-side lots in this neighborhood for $68k from the local MLS.

As far as financing - I personally like the local banks.

Talk to the local building official and get their take on the building's status.

If so I would recommend local meetups and meeting folks from BP forums who are local.  

Have you considered a 3 family or changing your property location to a nearby town that does have duplexes?

It is located under the header "Analyzing Deals"

I would focus on purchasing the best property in the best location you can for your budget so it's a good investment.

OP, i suggest you locate other investors and see what your legal options are. do not let this pos off the hook so easily.