Yes, not necessarily by much, but at least an inch or two on each side for strength and drainage.
No chance. It's not during well in Carolina heat .
No, Brown would be better or Red.
6 . build an box
Yes recommend bigger than the shed. No foundation in the box
Yes I believe they do. They have an installation Dept. Check with them
Shed is 64" wide. Door is 30". Overall space needed is just under 8'.
Yes you can with a padlock which is not supplied
This shed can be seen on display outdoor or in your garden.
Depends on what. Type of floors you build