So, that is where I target my increases.

One red flag is if the property is being marketed heavily by unregistered regular broker , that’s what happened in my Ponzi scheme fraud.as the result of investigation those marketer now has to return all their commission to SEC. but at the end this turn out to be good because asset value is increasing compare if I invest to office building and lost all my money.  

If the rent allows for an increase, you may be able to include it in the rent. 

Hey Nazimuddin,Sorry to hear about the increases, no one likes that for sure. 

The most common benefits a landlord can get from an arbitrage agreement are: reduced vacancy expense, decreased maintenance costs (most arbitragers agree to fix any damage done by guests), increased rent (most pay a premium), reduced number of hours managing the property (aka it's more passive)Some less common benefits, but still worth mentioning: Using the property to host their own guests at a lower rate during the "vacation season", Revenue sharing, arbitrage managing landscaping, and other management tasks. 

If you were to refi, I'd consider going with an Interest Only product, increasing cashflow.

Many of the best longer term markets are in a correction now (TX/FL).There is no particular formula, but the closest proxy would be population growth and 10Yr historical price increase which aggregates many factors together.

You will subject to the lending market at the time near to the balloon expiration.I would negotiate for the recurring option to extend the loan an additional year at the cost of a 0.75% rate increase.

I've never owned an ADU and I'm concerned about how it'll influence the primary which I also plan to list and rent. 

increase them by $25k.