Next time you form an agreement consult with an attorney so that you know where you stand from the beginning.

I would assume the bank wants some type of financial history for the LLC to even consider offering a mortgage.

More units (usually) less risk (financially).

You are basically purchasing a 100% vacant stand alone building, make sure you feel confident on who your future tenant is and that there is demand for the space. 

People are often waiting for something to be built or they have some financially related timing issues.You just have to be willing to wait while the house is in contract until January.

By the way STR stands for short term rental.

Even the ones that discuss certain financial aspects are generally way too simplisitc.

@Bryce Spraggins if you can find a house wholesale, you stand a better chance to make it cash flow.

What they will lend you will be based on the deal financials and their relationship with you.

However, you may need to put in work to sell yourself to an equity partner, they will need to see you are a committed, knowledgeable, financially stable and trustworthy person prior to entering into a business agreement.