My wife and I live just outside of the Boston area and are thinking very strongly about renting out our primary residence and moving abroad.

Have you considered buying a primary then converting that to a rental and repeating that as a strategy?

Also, hopefully in the future we can work together to get me in a primary home in LA :)

The primary value of listing for MOST (not all) properties is in the MLS, not in the particular sellers agent.  

If your property was owned by an LLC it would be easier to convince tenants or hide your role, but as your primary residence its probably in your own personal name. 4.

Added a primary bath to create a true master suite.

Written by attorney investors, it's full of practical advice about the management of investment property, has sample forms that can be edited, and - most importantly - tells you what your primary state laws are and where you can read them.

Added a primary bath to create a true master suite.

Purchase price: $317,000 Cash invested: $30,000 Short term primary -> long term hold with a 3.25% interest rate.

No, you can refinance with anyone and likely the current "lender" is only the loan servicer as most primary residence loans are resold.