Just the same, you may also experience easier opportunities to get the property surrendered.  

I had a Sec8 tenant that didn't surrender the premises until a week after she was supposed to have vacated it.

How can these go-getters I admire so much surrender so quickly?

Not the surrender value. look at the Accumulation Value.Check out this blog post for a good explanation of how a permanent life insurance policy works...https://www.biggerpockets.com/...

I have multiple distractions today but the realtors took security deposits from the tenants which they so far have refused to surrender too me.

If she leaves and voluntarily surrenders the property (i.e., hands over the keys) to the landlord then she won't have an eviction on her record. 

There's an education component to selling on installment sale that are free and clearPublication 537 from the IRS talks about installment salesUsing a private mortgage and turning your house into a cash flow stream like an annuity should be the focus of the conversationIf you rent out the house you have to deal with insurance and getting sued in case the tenant find some kind of reason to bring you to courtOwning  a private mortgage on the other hand reduces the risk of being suedMy advice to you is also compare it with a reverse mortgage which they get a lump sum but they have to surrender the house upon deathReally study reverse mortgages and understand the negatives of reverse mortgages, mostly the fees that are involvedThe eldercare population is a big market, so take a look at AARP's website and understand the basics of annuitiesThe conversation I have with free and clear houses is this"Mr. seller you've got a few optionsOne you could sell with an agent and pay the cost to sell which include real estate commission, closing costs, sellers concessions, and vacancy holding costs.  

Given the statement remaining things did they surrender the keys? 

Now this guy comes back with "We had conditional leases that included as reasons for immediate termination of lease and surrender of keys: Arrest for felony, arrest for drug charges, DCF intervention , pets (all our properties were no pets allowed) , Failure to pay rent by the 15 of the month , Failure to provide proof of employment ,etc.

It sounds like your borrower has told you to go pound sand and is not going to try and bring the account current and has no interest in surrendering the property back to you.