More commonly I see 6x yearly revenue.

Square footage is historically more common. 

In my county , the health dept has records showing the location of the tank and drain fields / dry wells . 

Most people don't which means you will have to get a construction loan which isn't a very common thing and is a very niche loan on my opinion.

A few years ago 7 caps were more common but so was 5% interest.

What are the various inspections commonly done for a house built in 1958, apart from the general inspection? 

What are good health insurance for self employed realtors

Not so often (at least here) is anyone looking to go with a Class A or B area for flipping anyway- I just say that as it can make sense to get into higher % in some cases but that's very deal by deal based, and not usually a common 'rule')There are a few areas that seem like they're booming right now and I've heard of people getting outbid on deals- which is driving purchase price up (significantly in some cases) which in turn changes the % instantly.

Its "common," for investors anyway, to pull capital out of one asset to fund another.Sure, you can double check on BP. 

She completely ignored the above section specifically defining the responsibility on Limited Common Elements.