Doing proper due diligence will definitely help find some issues that may have been unforeseen, but I don't think there is a way to uncover every little thing and do a full transfer of knowledge from the seller to the buyer (especially if it's been with the seller for a while).

If they are injured and claim Workers Compensation (yes it happened), you could end up with an uncovered loss.

IF you did not occupy subject you may not have known whatever they uncovered. 

The storage is going to offer 50 spots, 25 covered, 25 uncovered, basic gravel, chain link fence, and surveillance.  

Take sometime to search around the site and see what great information you can uncover.

The second approach is “emerging growth opportunities†where value investors uncover external economic or market activities that are expected to lead to growing opportunities in the long term.

Update: Hired a handyman to do some work I was uncomfortable with and they uncovered and fixed other issues (old water damage, uncovered AC leak, etc.)

Would a search of the BBB have uncovered every shady thing about these contractors?

I was hoping to be able to uncover the deals myself so I can pocket the wholesale fee or have the option to wholesale out myself. 

Here are some great questions to ask to help uncover their why, motivation, and your negotiation leverage.Why did you reach out?