It is along a dirt road about 1.7 miles from a paved road and power lines.Is it plausible to have a road paved, power, utilities, sewer etc, brought through to the property so that houses can be placed there?

Such a powerful draw. 

However, if you can make it work for you and pursue it like an adventure (cue the BP podcast with Jocko Willink) then more power to you!

One of the most basic, albeit powerful, calculations I see is occupancy rate... but I don't understand how to calculate it.

I think that the public perception is not just that the landlord is "rich", but that there is an inherent power imbalance, tipped in favor of the landlord.

The true power of house hacking comes in the low downpayment.

@John FaradyI have an associates degree in Electric Utility Substation and Relay Technician which allows me to work for a utility or be a contractor servicing industrial computers that monitor and control the power grid in addition to many other things like testing transformers, circuit breakers, capacitor banks, etc.

I’m currently in my primary residence which I purchased in 2011 but I want to purchase a second home to rent for cash flow. I have 20k for a down payment but having the first mortgage the amounts that I’m qualifying f...

It's great to see more and more portuguese people awakening to the Real Estate wealth building power, and hopefully treating it like a real business.With that said, I would say Porto is a really over-valued market to buy (right now) which makes it a lot more risky, the same goes for Lisbon and a few other cities that have been experiencing high and continuous rises in RE prices.I would recomend you trying to look into some underpriced markets with great potencial growth. 

But do everything in your power to shield yourself from losing money.