Good write up bpoulin.
Might add these considerations.
Be sure and have the manufacturer insure it from the FOB point to unloading at your premise.
The problem is often gorilla fork truck drivers and they will not say a word if they drop or puncture so look underneath the container as well.
The other is the air pump that comes with them is generally, well, anemic would be a fair word. The Exhaust system that come with them is marginally better but should be exchanged for higher output models if the factory has that as an option.