I also tried calling their support line for listings, but no one answered.To investigate further, I re-listed the property with identical information but without paying for the premium $29.99 option.

I've never really investigated it closely and I'm new to the concept of Tardus Wealth. 

. - which I suspect you're already inclined to do.You can also investigate various methods of pipe replacement / renewal that involve trenchless technologies, such as pipe lining, pipe bursting, or directional drilling.

I go to investigate and there is a middle age lady with a nice wrangler (I suspect 35” tires, recovery points, not old (in good shape)).  

I’ve explained that I couldn’t find any leak originating from my bathroom and requested that they let me know if the leak happens again so I can investigate further.Their response was:"This happened on Monday, and it appears to have stopped.

If there are only 2-3, then investigate and question GC.3) Check with your state's Attorney General's office for any complaints.4) Contact several City Building Depts in the area and ask for list of permits they've pulled.

Set up keyword alerts to stay on top of topics and locations of interest.

The judge in charge of the case was accused of secretly having sexual relations with an attorney arguing a case before her and was suspended while under investigation.

Investigate "transactional funding" and "joint ventures".    

Federal Bureau of Investigation (FBI):- https://www.fbi.gov/investigate/white-collar-crime6.