Do you have any suggestions on how we can secure long-term financing under these circumstances?

HUD 4000.1 (I believe) is the latest HUD handbook and it goes over all requirements for originating the loan, including but not limited to occupancy requirements and exemptions.FHA occupancy : "At least one Borrower must occupy the Property within 60 Days of signing the security instrument and intend to continue occupancy for at least one year."

Since they are responsible for maintaining the relationship with you after the transaction closes, this approach adds an extra layer of confidence and security to your investment. 

As I’m nearing retirement, I just invested a similar amount in first trust deeds secured by real estate at 9.75%.

Quote from @Jordan Kaylor: I'm new to real estate investing and have secured a HELOC on my existing home.  

At the very least you'll always know where you stand in any given situation, something few investors are secure about.  

It takes a lot of energy to thoroughly vet a deal and a borrower to make sure financing is secure.

You shouldn't need her social security number to file for eviction.

You will receive the security deposit in Checking but then transfer it to Savings.Savings: Hold the deposit here so it's separate from operating funds.

With inventory expanding, it feels like there could be opportunities to secure deals, especially if the right cash flow potential is there.