When rent is not paid on time the tenant should be immediately issued the pay or quit notice before seeking any explanations from the tenant.

Refinancing could be an option, but I don't want to end up in a position where the increase in P&I payments would negate any Rental NOI.

Average home sales prices increased 6% to $172,152.

Depends on the lender, check your Loan Agreement, depending on the term and purpose of the loan, it will specify either monthly payments or a balloon at refi.Read anything on BP, they have the resources you are seeking

A box of doughnuts can often help this process along, as you a just seeking their wisdom.

As far as the number of units it doesn't matter, you can get 4-plex after 4-plex as long as all your VA loans don't add up over $424,000, that it is increased in more expensive areas, over $700k in the Bay Area, Hawaii etc. 

With owner financing they aren't getting their money in full as they are seeking so I feel like any option might be a stretch but give it your best shot.

I think 1031 exchange might be in my future, or an increase in rent.

With the flood insurance cost, this unit will be neg cash flow unless I increase the equity in the unit which brings it down to less than 5% cash on cash.

Seeking portfolio lenders locally to begin multi-family investments as well as rehab/flip properties.