He then explains that she hadn't paid her gas bill and when he called to have it turned on to test, it worked perfectly fine.

At least in Missouri, and depending on size, you typically have to test your waste water monthly/quarterly, and then you have to file a form quarterly with DNR which reports the status of your treatment facility.  

Here’s how to navigate these issues and negotiate with "AS-IS" sellers.Step 1: Asking the Right QuestionsDuring the initial phone call or walkthrough, I ask the seller key questions to assess the condition of the well and septic systems:Do you have any well reports, logs, purity tests, or flow tests?

Risk assessment.Our 3 bankers all have stress test calculations in our deals.  

Run owner reports.After testing a few apps, one of them should stand out for you.

on the other hand, ask them to allow you to test and clean rather than them give a hearsay appear and disappear story.

Short answer: STR and REPS are TWO DIFFERENT tests, unrelated to one another. 

It's the best way to test what you like and don't like in a low risk environment.Once you've done this, you'll probably have even more saved up and experience to make you more confident in choosing a direction.If you decide to just dive into one of these markets and strategies, I'd recommend focusing on your personality, goals (cash flow first or something else) and how much time you have.

Once you have a shortlist, sign up for an account with each one and test them extensively to see how they function.

9- Does he take real estate license test?