Just the basics but what did I miss?   

Maybe I am miss understanding your concern... a Non-Disparagement Clause normally means that you will not publicly speak bad about each other.

My husband Joe and I have rented the same house for 11 years, never missed a payment, even helped the owner save his home from foreclosure.

I think you missed;1- easiest and fastest way to sell their property 2- qualified buyers when given the opportunity of buying via seller financing won’t tie up ability.  

.☺️)However, if there's any chance that something could go awry, you might want to hire the buyer agent for a flat fee to do the paperwork and look over your shoulder to make sure you don't miss doing something. 

Is it wrong for me to believe that going unrepresented, I may not be missing out on much especially since the agents themselves did not represent their interests other than wanting status quo.

I curse that corrupt mf til this day.In the 1980s in high school we were on Baja beach drinking alcohol (I was 16 or 17 years old).  

Unfortunately we will miss the opportunity if we wait & I know a good one when I see it. gah!!!

See if there is anything you are missing but you do have a lot covered.5.

I may be missing something but my attorney would tell me if you don't have the cash for the deal you are about to sign, don't sign it and keep saving.What other options have you heard from an attorney?