It needs to be anchored down, however, which can easily be done with supplies from your local building materials supplier. The dome comes as a kit, designed to be owner-installed. Growing Spaces can provide a skilled crew to put up your dome. The items not included are the undersoil heating ducts, perimeter insulation, and the water tank, as these are bulky and expensive to ship. All are available inexpensively at your local building supplies business.
Every greenhouse is a wonderful place to be, and that means for insects as well.
We recommend organic methods of biological pest control. There are many excellent books on this subject and we can advise you on some of the most common solutions. Vigilance and cleanliness are the two best weapons, however.