They do have a diverse economy in terms of technology, O&G, hospitals, and universities.

I am concerned an attorney might try to talk him out of doing an owner-carry or create other closing difficulties. 

(As what happens frequently thanks to the rapid changes in technology) bottom line the industry was no longer fulfilling me and I had no desire to rekindle that flame.

I am having difficulties figuring out what my exit strategy would be.

Pittsburgh certainly is a city on the rise due in part to the technology boom in our area, a strong established healthcare system, A Mayor and our County Executive who are very proactive on their initiatives that are attracting big businesses, a strong recovering economy and the continuation of new construction. 

Furthermore, if you are having difficulty distinguishing things like emd vs downpayment, who holds the emd, etc it is very likely you will successfully execute a wholesale deal.If you feel you have found a good deal find a veteran and JV with them to learn the process.  

I have been trying to find a mentor, but it is difficult. I

Someone at the County Tax Collector or Assessors office should be able to help you with this if you have difficulty.

They have worked for me in the past with technology as I worked in the Silicon Valley my whole career before Real Estate.

I agree with @Dennis M. and others - If you have difficulty telling people you own the property, you need to have a PM handle the business.