I don’t see any advantage to these things
other than that they are stackable.
In fact I remember a show a few years back that discovered the price to convert a storage container was not cost efficient at all and ended up being 2 to 3 times the price per square foot of regular construction. There was also so some nasty problem with the paint they use to keep the shipping containers from rusting while traveling over seas. It caused cancer or something. This looks like more feel good hopey changey Solendra bologna.