If the price to replace is within budget I'd do it because you're putting out a newer/safer/more reliable product.2) Cost to replace the entire systems is tough to gauge without knowing the building size and style...

If we were to see major changes in zoning and redevelopment we could see some LA style gentrification of neighborhoods.

The "old way" (fundamentals) never go out of style.

Then there is the issue of styles and types.One can ask the same question of a several successful investors and get a different answer from each, all good answers.

I have a million classified posts showing the style we build. you'll never get the numbers at that rate. your numbers are way off and way too low. work with an experienced general contractor who knows this stuff. 

It’s near entertainment districts and good schools, making it attractive for families.33134 (Coral Gables) - This zip code includes Coral Gables, known for its Mediterranean-style homes and upscale living.

It really comes down to what type of life style you want to live, how soon can you start investing, and how long you are willing to wait.

There is a way to check if one or the other fits your style and goals and has content that is actually solid information.

Towards the middle of 2018 we will also start looking for a good ranch style house that has at least 4 bedrooms, basement (hopefully finished), and a garage that I might convert into a bedroom since more rooms mean more clients. 

I haven’t gotten to a point of testing environmental factors or having a Perc test done yet, because...