I would just be careful of any condos since many of the buildings along High street have restrictions on STR.

How much it will affect your DTI depends on your existing debt obligations, income, the mortgage of the primary home you want to buy, and the mortgage of the house hack property.I recommend using the 5% down conventional loan product to house hack and only use FHA if you have to since there are more restrictions involved.

You will also discover that vacation rentals are restricted in many parts of Brevard.

there are income restrictions.  

Some hard money / private investors have minimal loan amount restrictions. 

It is becoming harder to justify a restrictive 5.5% federal funds rate.The Chevron and Loper DecisionA new Supreme Court Decision may Hopefully Bring Clarity and Efficiency to the Mortgage and Housing Market.A recent Supreme Court ruling may bring impactful regulatory changes to the housing market, and people aren’t talking about it.

However, there are some restrictions that apply, you'll want to look for details on "bonus entitlement."

Our whole economy is based on that.That being said, when you deal in REO's, banks can impose deed restrictions that prohibit resale for period of time, but there are ways around those, too.  

There are caps on income, assistance amount, and restrictions on being a first time home buyer.

Conventional financing will offer the most competitive rates but can be more income restrictive and can be unscalable as investor portfolio expand.