I do not think there are tenant laws that distinguish between SFH and MFH , but best to check local property codes and your states tenants right laws.

But they cannot prove it Mathematically because they don't know how to do it on a spreadsheet.By learning how to do it yourself, you can basically ignore the noise and see it for yourself.Here is the Math:Eventually, after a while, you will get to know whom you should talk to and whom you should ignore.The great thing about the Math is that you can easily distinguish the difference between those that seem to know and those that actually do.In the picture above, the math shows the example I gave at the beginning of the post.

Might be a good way to distinguish yourself. 

Charlie,It's important to distinguish 'abandoned' from 'vacant.'

Their noses are in books all day, they distinguish themselves academically throughout their youth.

I have the items that distinguish myself as a business, but I know that none of it will matter until I close deals. 

What is the criteria to distinguish the neighborhood as class A, B C or D. 

This is born from the industry trying to distinguish a 2001 suburban garden-style class A complex from an urban core mid-rise that just finished construction.  

Although I do distinguish between condos and townhomes.... condos I am not a big fan of because of more common walls and potential problems and expenses.One thing I am curious about, you said:Townhomes can appear in a pro forma to show a lower return, but holding long term returns are much higher than a single family home. 

This helps distinguish between Capital Expenses and Repairs.