Is this a good vehicle to start off with and get feet wet, or, should I just go in to actual tangible RE?

I don't mind getting in my vehicle and driving but of course I don't want to drive for hours.

That single vehicle can prevent them from renting again, buying a car, and a whole lot more - so settling with you is a hurdle they have to clear to move forward. 

It's designed as a terminal cash flow vehicle by itself.I'd only add two other sectors that are 1031 compatible. 

-Vehicle Tracking Software---We also utilize software that routes our maintenance technicians.

As a licensed builder, former property manager and an investor if I have to worry about unemployment and liability insurance, cost of my company vehicle which has higher liability coverage than a regular vehicle, administrative costs, gas, fronting the bill and potentially not having a customer pay me and also all the time spent providing free quotes or waiting around to get a yes or no from client.

Living below your means in order to build for something  more important than a bathroom visit later or vehicle depreciation  just makes sense.  

In our driveway we have room for 2 vehicles side by side, or possibly 4 if you stack them one behind the other. 

The doubters shut up.From what I can see, there are brokers who specialize in NNN leases, but a smaller number in long term NNN leases, which is a different investment vehicle in itself.

Rates are low, but unless you know precisely how you want to invest excess capital, not always good to cash out.