Your lawyer should be able to go after the home inspector and previous owners if they hid a substantial material defect.  

If you do calculate make sure you add a adjustment after you file the tax return if needed.Can you do budgets, forecast? 

The goal is to acquire enough rental properties to generate $10,000 in monthly cash flow after expenses.

Most of the ones we won worked out ok, but one wreaked so badly of cat urine even after stripping out all the soft surfaces we cut our losses and sold it to a handyman unfinished who wanted to live in it and refinish it himself.  

As a contractor I love it there because of the customer service 

Depends - what was your cash flow before the taxes went up vs after?

Then after they’ve bought at the market top, they sell out at a loss and invest in the next hot thing - at the market top.

If you desire good service and clear communication, definitely take note of their reviews and the way they communicate.

I have a duplex about to go up for sale in Fort Myers and currently have one for sale in Cape Coral that is owner occupied on side. 

Another local investor I worked with took two 2-bed, 1.5-bath units in a Raytown duplex from $1,100 market rent to $1,500 each after investing $25,000 (and sweat equity) in updates, resulting in an annual income increase of $9,600.