There are quite a number of things that can make utilizing an FHA loan more difficult such as more barriers during appraisal, appearance of low qualification/little cash, typically longer closing period, likely higher interest rate, and PMI cannot be dropped without a refinance if 3.5% down.That said, just chain 5% down conventional loans, and make sure your duplexes pay for themselves.  

I say to look at these hard because these items can occur for a period of 12 months possibly without major issues of seeing large cracks or settling if a lot of water hasn't been present in large volumes.

I keep scans or pictures of all of all letters I send this way including the letter as readable before it goes into the envelope which includes the tracking number written on the letter, plus the filled out certified mail paper and the envelop after its addressed. 

There is no specific IRS-mandated minimum holding period for a property acquired through a 1031 exchange before you can retitle it, that's why it's hard to find an answer. 

First tenant was on a fixed income as a retiree, so I was hesitant to increase the rent after the first lease period.

@Venka Pulla It’s frustrating when a property manager isn’t meeting expectations, but transitioning to a new property manager is typically straightforward if you follow a few steps:Review the Management Agreement: Carefully read your current Property Management Agreement (PMA) to understand the termination process, including any required notice period.

Very short seasoning period.

That should cover 2 rental income periods, returning $660 to your pocket.

I have had a rental property for a short period here in CT and have sold it in 2017.

A number years ago, I went to town buying a bunch of rentals in a short period of time and I can assure you they took money from my family instead of putting money in my family pocket.