Have you considered a personal loan from a local credit union or from SOFI?

Liability for Personal Air Conditioning UnitsThe use of personal air conditioning units in the premises is at the tenant's own risk.

They don't evaluate the actual floorplan, quality of finishes, view out the living room window, yard condition, the barking dogs next door, or hundreds of other data points.

We are hoping by joining BiggerPockets we can get help from like-minded persons and communicate for help.

That is why I believe you are smart to reach out to your Community - I think your network is your most valuable asset, especially when looking for quality sponsors. 

As far as the rentals, we've rented everything out again with quality tenants.

If you are buying the cheapest home in a not so great area, the returns on paper look great, but you will have a lot more costs than you expect due to a lower quality tenant.

In most cases, the lender will require the person who is providing the capital to sign for the mortgage.

@Neil SmithPull a list from the auditor of what you're looking to call, load it into a dialer, call the numbers and ask to speak with the owner (their first name) - Introduce yourself by being personable (Who you are(first and last name - age/background), where you're from(local guy), and get straight to the point - why you want to buy and if they're interested in hearing an offer on their property - it's like a quick handshake over the phone. 

They tend to be in less desirable areas or attract lower quality tenants.