It was upgraded carpet, so maybe 10 years on stain/soil/wear?

Ron,I've never heard of those companies, but that would certainly be worth looking into and asking how that coverage would respond given a few of the different scenarios I listed above (tree breaks the line, you/someone hits the line with a shovel, shifting soils cracks the pipe, pipe wears out over time due to normal wear and tear, etc.).  

Here, you could potentially increase value by performing the required testing (soil, percolation, deep hole, wetlands, etc.). 

Geology/Soils Report/engineering6. 

Then I learned of Fort Meyers Beach where an agent told me sand is going for $300K, but a quick internet search shows sand is actually going for 1.7M.

The data focus on the flip potential market.Atlanta Market TrendsOverview: The Atlanta-Sandy Springs-Marietta metropolitan area, which comprises 28 counties in northwest Georgia, is the second largest metropolitan area in the Southeast, after Miami.

I already have the land with topo, geo and soil completed.

Soil/Conservation department- put plans to mitigate soil runoff.10. 

Ok i will check them out thank you Sandy!

I would break even buying a condo in the 3 major cities I valuated with 50% down, so that doesn't feel like trading up.Should I purchase another couple pieces of land or perhaps a small house that is already connected to sewer and electric in order to more easily build ADUs on, assuming I can avoid soil, geo, topo?