I have been told that it could be better to save the FHA loan for a later property (Possibly a personal one), if you can put 20% down for a standard 30-year fixed loan.

Bringing my agent into this, would it work just like your usual buyers agent situation, or, in this scenario would the agent's scope of work, and pay be different?

Don't get too held up on which one is better. 

The reality is that most landlords who offer payment plans end up chasing money for months, only to end up filing for eviction anyway.You’re right that a judgment can be tough to collect, but an eviction on their record may give them more incentive to leave on better terms.

It ain't that hard and is a far better product as far as long term durability.

Properties don't define the market, the market defines the properties. 

When looking at the Airbnb and Furnished Finder MTRs in my area, it looks as if the smaller "tiny homes" or even small ADUs for around $800-$1200 a month were the most booked up. Average long term rent in my market is...

Don’t fall into the trap of being lured by good-looking cash flow numbers—those properties can become money pits.To wrap this up, my advice to clients is simple: Don’t overlook a solid duplex while chasing the dream of a better triplex or quadplex.Good luck! 

But let me tell you, there’s a better way.

You're not creating any new money.It was a much better explanation than this.