As a general rule this is usually a 30 day written notice and two months worth of rent by the tenant to "legally" break their lease. 

It's rather confusing, especially since VA has an example right on their website that contradicts their own rules!  

The property must meet or exceed the 1% rule at purchase (rental income must be 1% or greater of the purchase price).2.  

     Another vote for never split the difference     Extreme ownership by Jocko Willink and Leif BabinRocket Fuel by Gino WickmanThou Shall Prosper by Lapin10X rule by Grant cordone7 Habits of highly successful people by Stephan Coveyany book by Patrick LencioniMillionaire success habits by Dean GrazioskiEntreleadership by Dave Ramsey

Lastly, if your able to buy using the 1% rule you have enough built in positive cash flow that will enable to ride out the downturn.

Always looking for ways to improve the ARV, and have one upgrade that I'm on the fence about.The gas boiler for this 1920's house is pushing 40 years old.  

I don't think you could do it with a fourplex either, unless you buy it in bad shape and make significant improvements. 

That 6 month rule thing is a "conventional" loan rule.  

Or rather they work under dumb rules as they are not "lenders" at all.

I know at Fort Lee, VA there were very strict rules on what facilities qualifed for permitted TDY housing.Also, there have been a lot of changes to the DTS system and the Army is pushing hard to get people into the IHG facilities on post FIRST.