What would be my best approach, I assume find a private lender and work out some deal with them.All questions and answers will help thank you. private lender would be one option - also can you get traditional financing from a bank? 

I bought it because it was supposed to be easier to keep up with than traditional, but I've had to rebalance the ph myself several times.  

That is the traditional way to handle it.

Without going into too much detail, my current situation stems from selling a previous company via partial owner financing, only for the new owner to default on the purchase, leaving me in this position.For traditional financing, I understand I’ll need at least one, if not two, years of solid credit history, tax filings, and other financial documentation.

What do you mean by "traditional 6-month financing route"?

I've done a lot of wraps and subtos and highly prefer the seller-finance strategy for a lot of reasons, including offering the opportunity of homeownership to those otherwise rejected by traditional banks.

The idea is to convert a multi-family building into condos; but not in the traditional sense where you separate pre-existing apartments into their own condos; but in a way where you combine the common areas of all of the apartments in that whole building, and turn the individual rooms within those apartments into condos themselves; thus transforming the hallways, kitchens, bathrooms, living rooms, dining rooms, porches, balconies into common areas of the condos. 

For instance, mismatched names, employment details, or salary figures should warrant further scrutiny.Urgency to Move In: Applicants who are unusually pushy about quick move-in dates may be attempting to bypass thorough checks.Reluctance to Provide References: Hesitation or refusal to provide contactable references from previous landlords or employers is a cause for concern.Cash Offers for Faster Move-In: Proposals to pay a significant amount up front, especially in cash, to expedite the moving process can sometimes indicate an attempt to avoid scrutiny.Unverifiable Identity: Difficulty in verifying the applicant’s identity through standard identification documents can indicate potential fraud.Tips to Mitigate Rental Application Fraud:Enhance Verification Processes: Implement stringent verification processes for employment, previous rental history, and identity.

For us in the seller financed note investing world, we are often looking to find value in a deal that fell outside of a traditional banker's lending box. 

Hey Andrew, for a 12-unit property, traditional lenders like Fannie and Freddie could be great options, especially if it's stabilized with a strong upside.