They charged me 300 for an upgrade to what I already had.

So, there will be two “value adds”: the upgrade of the units and the higher occupancy due to improved and professional management and marketing.

I'd focus on durability and core function rather than eye catching upgrades.

Yes,  upgrading windows triggers title 24.   

Rehab depends on price point and how dated the home is to begin with, in FL I'd say the easy renovations are things like if your bathroom vanity and/ or toilet is a color other than white/ gray it is likely worth it to upgrade.

It's $100 or it's included when you upgrade to Premium.

I believe it's around $100 or you can upgrade to a PRO account and it's included in the price.

Not to mention a little more economies of scale with repairs, construction/upgrades, etc. :)

New roofs, flooring, paint, exterior upgrades—Parking.Cooling-Window ACHeat-Gas FurnaceCity Water and SewerOwners Pro Forma:ARV: 2,860,000Gross Income: $433,000Annual Expenses: $99,000Expenses: Property Taxes, Gas Bill, Insurance, Maintenance Reserves, Water and Sewer, Property Management

Seems like a lot of wasted effort but if you are willing to spend the money now to upgrade to a ducted system, you will save yourself the hassle in the future when the inevitable happens and the boiler goes out, while still providing AC