You will need those to communicate with the lender...i.e. getting a payoff authorization when you go to sell. 

Finding a investor friendly agent is a pain and communicating through an agent isn't exactly fun.

If you discover the repairs and removal are excessive you can communicate your concerns to the seller in the form of a new offer at a lower price OR request that they remove the tank prior to closing. 

My background is actually as an ARchitect for over 35 years specializing in Energy Efficiency.  

The idea is to look for properties that satisfy the criteria for more than one buyer...in case a buyer is not in a position to move on a deal that matches their criteria.I'm not a believer in wasting time or money, so this is the way I wholesale, and I have found it to be very efficient in every way.Joe VilleneuveREcapSystemA2REIC

This is much more efficient than filing for an eviction, which is costly and time consuming.

It turns out that he's got 6 duplex and 1 house for sale upon further communication.  

I would like to be more productive in dealing with investments and real property to produce a more efficient lifestlye that contributes to my vision.

Louis area, I have clients near and far who I communicate with via Skype, GoToMeeting, etc.  

Ideally, you'll want to negotiate all the salient terms of an agreement via informal communication and letters of intent, then bring your attorney in to draft the documentation.