I believe that Kaplan University has an appraiser training course, that may be a good place to start.Are you just wanting to have access to the tools for your own evaluation or are you looking to do appraisals professionally?

It can be a progressive transition.

(Everyone evaluates differently)4 Units - Section 8 (S8) Approved - 2 Unit with Section 8 tenants and 2 Regular tenants.

But none of this confirms the lack of an in-ground tank.I am not sure what else I can do to evaluate oil tank risk.  

Keep your head up and keep us posted on your progress!

First, I'm concerned that your mentor hasn't taught you how to evaluate the value market.

I should not have waited for a free advise and am thinking of incentivizing my search to offer some fee to him if I close on a property that he evaluates but not sure if he will accept it. 

I'll keep an eye out for you- I'm pretty tapped out financially with two rehabs in progress, but still have feelers out, and do a bit of searching just to stay in the game.

Asked me for time to evaluate their ability to service me. 

The Pro Mgr did have one of his experienced roofer contractors evaluate it before he spoke with me.