A hydrostatic plumbing test is recommended to be performed by a licensed plumber post Foundation work.

If first round of testing doesn't look good, they will bore into the ground to look for soil contamination. 

I got my hand slapped by the state of Oregon when I did something similar .. its easy for regulators to say notes are securities which they all are .. but there are exemptions.. the deal with Oregon was that the note investors were 100% relying on me and the model.. so they hit me with the Howry test..

I wouldn't get it tested.

Do you suggest filtering out LLCs when targeting for cold calling or testing?

So cash flow might be slim for the first couple years until you get a few rent increases.If you get on some wholesaler lists you might see some B level properties but they’ll need some updating.

I am sure such a thing has already been tried and tested.

Been doing some independent research and very interested in testing out the BRRRR strategy.

I've started compiling my own study guide at this time because nothing really exists that I've found that's designed to prepare you for the test.

The A/C & heat worked, the water heater worked, the sprinklers were all tested and they worked, the electricity worked.