They have 2; one is a single speed (but the description says rotating speeds?) for $900 and the other is the variable speed for like $1200. My buddy has the variable speed one and that is advertised often as a 2x72 he bought straight from Vevor. They also have a tilting single speed and variable speed model now, too. Most people cut off a few inches of the arm bar to make it run 72" belts vs the 82". I thought I also saw someone do something where they flipped the tracking wheel to run under the arm or something to run 72" belts a long time ago when the first chinese 2x82 hit the market? Cutting the arm bar may be better? There is 1 arm bar and the tool rest mounts to it, but the attachments all share the same arm bar. May be worth it to get extra arm bars?
The variable speed uses a converter to boost 110 to 220v, then into the VFD, so getting a 110V input, 220V output VFD may be worth looking in to. I gotta get over to my buddies place and check it out and see how it actually is. He likes it, but it's his first grinder. Will probably be a step up from the Grizzly 2x42 though!