Obviously every situation is unique it's on you to check with your intermediary and lender to determine what price range would be realistic to start looking for deals in before it closes so you are ready to roll. 

The entry level point for STR's has risen to the $4-500k range with many now pushing $750-850-$1M+ and I would expect that to continue to increase.

With interest rates on your current properties in the range a stock market portfolio might return paying off the mortgages could be a good option so you maximize cash flow.

@Marc Robinson what's the lot rent, who pays what utilities and what's the source of the water and sewer?

@Bryce JamisonEverything I own is built in the 1900-1940 range.

Usually if it is something no HoA I solve the issues but now the prolem is under the HoA mercy that seems to careless and the water damages are severe and scary on the photos.

You said public water was available...would the lots require a septic system to be installed or is public sewer available? 

Don’t assume that you will have water.

I've had success turning vacant Florida land into private shooting ranges.

Most of my CFO clients that are in residential development are looking for IRRs (usually over a minimum 5-year period) in the high teens and the commercial developers are looking in the low to mid 20% range.