List your place on Furnished Finder and join the traveling nurse groups on FB.

If you took 100K from each HELOC and you do a cash out refinance for 250K here is the breakdown.100K goes to HELOC number 1100K goes to HELOC number 250K goes wherever you want it to goYou have a record of the draw used to by the home cash, so this is an easy fix.

It sounds like you have many mentors to choose from.If they have a proven track record doing the same type of investing you want to do that is the person you should select.

I held a private deed of trust (5 years, balloon payment) in a friendly transaction but it was all properly recorded, etc..

If he has a clean record, make a separate agreement that he can stay there from (date) to (date).

Yes get different accounts because it makes tracking and recording of your business transactions easier  and also keeping your personal finances within your budget if you track it.

To be an unsecured lender with a lien to be recorded at a later date?

I feel like investors would feel more comfortable investing in us if we have someone with a successful track record in commercial real estate on our team. 

If you don't have time because it's a hot property, which is likly, then try to have at least an email from the agent confirming to pay you the 2.4% and have her cc their broker of record.

When the current standards of appraisal practice were developed, including the forms and formats still in use today, an appraiser had to go down the courthouse and literally dig through deed records for data.