Once you get the deal under contract, your RE attorney will also run a detailed title search to uncover anything else of importance.

And when they’re uncovered the attendant publicity is huge, IF the resultant loses are large enough.  

That is disaster waiting to be uncovered.

During the inspection, I uncovered so many issues that I negotiated the price down to $105,000.

By reminding people of what Latoya Tomlinson and myself uncovered, I'd implicitly suggest that you didn't do a proper due diligence, whichever words I used.

Remember SEC never took action against Bernie Madoff who stole 42 Billion in a real Ponzi scheme that he gloated about and that was uncovered 5 years earlier by Markopolos who reported it in excruciating details to the SEC.

Sometimes, listing agents leave out vital details we can uncover up front. 

One more conincidence, they had enough paper with price to give to everyone,  and for some mysterious reason, the guy who is so nice to talk to us about the Elite course because some folks had asked him has a full PPT presentation about the elite program...then it was followed by a women who showed us for another 2 hours about how the mentorship was great (hotel, mercedes, ect).

Networking with real estate professionals, agents, and other investors can uncover valuable opportunities like off market, trades, and even owner financing deals.  

There is very little technical knowledge needed, but there is a lot of common sense needed.I would google "rental property investing for beginners" and see what you uncover.