Cost and portability are not important.  

And it looks portable too. 

They then installed a huge portable standalone pizza oven on their porch (got it from Sam's) for bigger groups.

Even spending $1000 to buy 3 portable units so they could sleep at home.

I told him about how high my electric bills were at my warehouse where I use a portable AC for the office.

I know a lot of investors in my area use Simply safe - a portable and modular system.

I’ve been told by a tenant that everyone uses the water hose to fill up portable pools,wash their vehicles,spray the sidewalk and driveway.When my lease clearly states NO CAR WASHING on property.

So, a homestead property bought 10 or so years ago could be “assessed” at about half of “value”......plus the 3% cap is “portable” so it carries over somewhat to a newly bought homestead, further skewing any comparisons.

In addition to storage containers (which can be costly to have delivered depending upon where you are located) there are a few companies that actualy make a "portable" single storage building that are shipped flat and you tilt up the walls and have a rentalable "no building permit and no tax hit" unit ready to rent in a couple of hours.

For example, my current laptop is a MacBook Air circa 2015 and it works just as great as it did when I first got it.If most of your RE related stuff is web based, I'd suggest the smaller, regular MacBook just simply for portability purposes.