The world is changing, portable structures are now being used for not just temporary needs but also semi permanent. This includes a variety of sizes of storage sheds. The convenience of being able to relocate any building is just good business sense. Some of our ideas are new and unique ..
If a projectile were deprived of the force of gravity, it would not be deflected toward the earth but would go off in a straight line into the heavens and do so with uniform motion, provided that the resistance of the air were removed. Isaac Newton