Admittedly, I am not one that typically finds paid mentorship very valuable, but I also respect that my degree is in business with a focus on real estate, and my first job out of college was in real estate (so it is a little hard for me to take my 20 yrs of knowledge and rewind it to try to view mentors from a completely fresh lens).A couple points: I view mentors, especially these expensive ones as a catch-22. 

Another you could have done was to call a few other PM's in the area and get their take on the rent range.

So I'm thinking a good target will be around $30k/month to replace both of our incomes and live how we want to live, respectively. 

However, I’m trying to educate myself now before moving there so I can make a well-informed investment.Based on my spreadsheet, most properties in the $300K–$350K range with an estimated rental income of ~$2,500 per month show a negative cash flow.

As I posted recently on BP, some of the units that I've owned included heat and hot water in the condo fee, which increased the condo fee such their fee was in the $380 monthly range. 

The price range for the home would be $1M - $1.8M.Is there any way I could qualify for 3.5% down instead?

I'll message you to discuss more, I have a good rate and would like to stay in that range. 

You can get solid cash-flowing single families in the 90-120k price range and duplexes in the 130-180k price range.

So, for a small duplex, what price range are you targeting and how much (light, medium, or heavy) rehab would be acceptable?

That is enough albeit only a cheaper property and, while I don't know Florida that well, I doubt there are many in that price range.