Best you can do is individually pull title on properties. 

. - what markets would you enter today?

Some other other options to consider that may be easier, would be these: 1) Take your $840k and have a money manager at Vanguard, Fidelity or Schwab invest it in individual bonds at a 4-5% return. 

I suspect in most mortgages the Borrower entering into this type of agreement without the written consent of the prior lender would be a default.What debt coverage ratio do you think would be fair considering the risk? 

HELOCs are not available because they are residential loans guaranteed by individuals and what you seek is a type of commercial loan or credit line which are available to seasoned companies with proven financial track record.

I suggest you enter private money goldmine in search botton at top right of the screen and read the previous posts....here is one that gives good perspective as well as a link to legitimate private lenders.http://www.biggerpockets.com/forums/92/topics/1488...

I’m waiting to hear back from a city representative to see if it’s possible to divide the lot into multiple lots and put a mobile home on each lot.Once the land is paid off and divided, is it possible to use each lot as collateral for its individual mobile home? 

I also need a good real estate agent as i will be entering the San Antonio market.

Hawaiian real estate law differs from other western states significantly, mostly due to its monarchal heritage and the Bishop Trust influence.The basics are the same as would be in California; determine the condition of title ownership (individual(s), estate (including conservatorship, if appropriate) OR fiduciary acting for trust.Use a qualified private money equity lender to make a loan sufficient to buy out the cash-only beneficiaryThe legal community in HI and Big Island in particular is small.

I have partnered with individuals on fix and flips but my goal for 2025 is to buy my first LTR.