Pay the lowest balances first, after retiring a loan, apply the new excess cashflow to the next lowest balance. 

Now, she wants to retire and be rid of the rental properties because as she said ‘I already lost all of my $120K savings, and the $200K downpayment, I have to keep on borrowing money to cover the loss, I just want to retire now without this problem.

A huge number of retirement communities.

Or borrow against your retirement plan or insurance plan to get access to capital...A : )

@Andy WuSince you have existing retirement funds, consider opening a self-directed IRA or self-directed solo 401k and transferring your existing IRA funds and possibly your existing 401k funds to one of the self-directed accounts mentioned previously.

They're retired with no income so its a win win.

We are more or less retired, live in central Florida and own 10 rental properties there.  

I would like to "retire" in eleven years. 

I work FT, wife works FT in the Phoenix area and we want to get into real estate investing to create a retirement portfolio.  

I'm 39 years old and about to retire from the Army.