I'm certain that TVA runs background checks for employment, most likely security clearances, they probably have a policy of professional conduct and expectations of character for certified professionals. 

I belong to the Local REIA and Landlord Association here in Philadelphia where you can conduct a lot of great Due Diligence.

I believe I have a gist of how to complete a double closing, I just want to be completely sure. Do you recommend I use an agent for myself after I get the property under contract? Or should I just list it myself "for ...

I never heard anything back on the title search - I'm not sure if it's been conducted yet.

Do I ask for a test to be conducted prior to closing?

From the City of Philadelphia's website: An Activity License is needed to conduct business within Philadelphia.

Zillow and other sites will have some too of varying quality.Municipal governments may have properties tagged as rentals or owner-occupied if they conduct regular inspections, but that is inconsistent in Pennsylvania.  

Only once you’ve gotten the hang of conducting the painting and minor repairs that come in cosmetic projects will you want to go on to more advanced projects.

Does anyone have advice on how to conduct quit claim deeds during a wholesale deal?

Please remember that each institution conducts their process slightly different.