One question from the article is something like "Would you consider yourself a more aggressive or conservative account," suggesting to me there might be some personal choice on something like this.Rules for deducting vehicle expenses. 

This is a much more nimble vehicle, adds a layer of asset protection and can reduce administrative fees over the long term.There is much good information on these topics here on BP and a number of professionals offering these types of play services who participate in the forums.  

How do they pick which deal goes into which vehicle?

The property I’m looking at sits at the corner of a busy intersection with tons of vehicle traffic, pedestrians, local businesses and a couple of schools.

I just have to look the person in the eye, see the condition of their vehicle, shake their hand, and have a conversation.

My goal is to develop REI into a substantial retirement plan, although choosing the particular vehicle is part of my initial education phase.

No tenant ever took me up on my offer, but when their vehicle gets broken into and they come crying to me then I know I did my best to help them and I don't feel bad for them.

I got a competitive rate on landlord insurance from the insurer of my primary residence (and two vehicles) and also get an umbrella policy through the same insurer as well.

Also we’re starting the process of buying her a different vehicle and she wants a truck for several reasons one of which is because she wants me to be able to use it for the real estate.

For pool @Steve S, you are working to break concrete and using heavy vehicles to do so and also bringing lots of soil as well.