As much of a broken record as I may sound, I can't stress enough how important it is to take this to accountants & financial planners where you can divulge your entire financial situation & they can layout multiple tax-efficient solutions.

It's the most efficient methods for finding motivated sellers.

Perhaps it makes sense to consider a blanket portfolio loan to efficiently extract what equity I can, then set up a separate line for emergencies.  

What's the best method to acquire rental property using OPM and the most efficient strategy to pay it back?

YMMV, but open communication with tenants usually results in a plan agreeable to all.Note, we do like to have our one-year leases start and end Aug 1, so the first lease we made with the new tenants was just for 10 months.Definitely do not ever use a security deposit for rent payment.

Never allow VA’s to communicate with one another.

A better approach to protect all parties is to put everything in writing and communicate via fax or email. 

It is way more efficient.

They will compare it to the house down the street that has been on the market for a year with paneling and green carpet, and say yours is actually worth less than that They are totally oblivious to the fact that it is they who stand in the way of the free market, and it is the market that assigns value most efficiently.

one of the most diligence and let you you see network who call or email communication .while can be contacted by customers contract for REI.